FREE ANTIVIRUSES AND COMPUTER SECURITY FOR 2021

Antivirus Definition Softwares that are created specifically to help detect, prevent and remove malware (malicious software). Antivirus is a kind of software used to prevent, scan, detect and delete viruses from a computer. Once installed, most antivirus software runs automatically in the background to provide real-time protection against virus attacks. Comprehensive virus protection programs help protect your files and hardware from malware such as worms, Trojan horses and spyware, and may also offer additional protection such as customizable firewalls and website blocking. Antivirus software, or anti-virus software, also known as anti-malware, is a computer program used to prevent, detect, and remove malware. Antivirus software was originally developed to detect and remove computer viruses, hence the name. Features of an Effective Antivirus The following features of any antivirus are to be looked for when you decide on installing one Proactive scanning for malwares, and deleting once detected Default-Deny Protection – Default-Deny protection that is implemented to prevent the entry of suspicious files by default. Auto Sandbox Technology – A […]

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POWERFUL IP SCANNERS FOR NETWORK MANAGEMENT

IP Scanning is a process of continuously monitoring your network IP address space in real-time. Number of network protocols including the ICMP ping sweeps and SNMP scans are used for scanning IP addresses in the network. Network admins rely on IP scanners to inspect and manage IP address space with ease. The following are powerful IP scanners for Network management NMAP This list won’t be complete without including NMAP NMAP is usually known as a network security finder tool, but this can also be used to find IP address usage in a network. Ex: if you want to find out what all IP is connected/online in the 10.0.0.1 network. You can just execute the below Nmap command IP Range Scanner A free software by Lansweeper is capable of scanning your network and provide network-connected device information. You can schedule a network scan or run on demand whenever you want. Some of the key features are: Execute custom commands Discover subnets Import network IP using CSV files Detect internal and external IP addresses Advanced […]

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ANALYSIS OF RELATIONAL DATABASE MANAGEMENT SYSTEMS

What is a Relational Database Management System (RDBMS)? A relational database management system (RDBMS) is a program that allows you to create, update, and administer a relational database. Most relational database management systems use the SQL language to access the database. Oracle DB Oracle Corporation owns Oracle Database, and the code is not open sourced. Oracle DB is for large applications, particularly in the banking industry. Most of the world’s top banks run Oracle applications because Oracle offers a powerful combination of technology and comprehensive, pre-integrated business applications, including essential functionality built specifically for banks. The main disadvantage of using Oracle is that it is not free to use like its open source competitors and can be quite expensive. SQL SERVER Microsoft owns SQL Server. Like Oracle DB, the code is close sourced. Large enterprise applications mostly use SQL Server. Microsoft offers a free entry-level version called Express but can become very expensive as you scale your application. Sqlite SQLite is a […]

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BENEFITS OF DATA SCIENCE TO ORGANIZATIONS

Data science is an inter-disciplinary field that uses scientific methods, processes, algorithms and systems to extract knowledge and insights from many structural and unstructured data. Data science is related to data mining, machine learning and big data. Data Science is also a blend of various tools, algorithms, and machine learning principles with the goal to discover hidden patterns from the raw data. Data Science  has fast emerged as a challenging, lucrative and highly rewarding career. While developed countries became familiar with it halfway through the last decade, data science has caught attention on a global scale after the exponential growth of e-commerce in developing economies, especially India and China. In the past decade there has been considerable paradigm shift in the way the world shops, books holidays, makes transactions and pretty much everything else. TYPES OF DATA SCIENTISTS Data Scientist as Quality Analyst Quality Analyst has for long been associated with statistical process control in manufacturing industry. This position has […]

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Apache Guacamole,Functionalities And Benefits

Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH. We call it clientless because no plugins or client software are required. Thanks to HTML5, once Guacamole is installed on a server, all you need to access your desktops is a web browser. How does Apache guacamole work? Guacamole is an HTML5 web application that provides access to desktop environments using remote desktop protocols (such as VNC or RDP). … Guacamole’s architecture has grown to encompass remote desktop in general, and can be used as a gateway for any number of computers. Is Apache guacamole secure? Apache Guacamole, a popular infrastructure for enabling remote working, is vulnerable to a slew of security bugs related to the Remote Desktop Protocol (RDP), researchers have warned. … Guacamole gateways essentially secure and handle connections from users coming from outside the corporate perimeter. How do I install Apache guacamole?Here is the list of things It will do: Install Packages Dependencies. Download Guacamole and MySQL Connector packages. Install Guacamole Server. Install Guacamole Client. Install MySQL Connector. […]

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COMPUTER ROBOTICS AND ITS BENEFITS

DEFINITION Robotics is an interdisciplinary field that integrates computer science and engineering. Robotics involves design, construction, operation, and use of robots. The goal of robotics is to design machines that can help and assist humans. … Robots can take on any form but some are made to resemble humans in appearance. Major Fields of Robotics Sophisticated robot design typically requires the talents and expertise of teams of engineers. There are five fields of expertise in robotics: Operator Interface: A robot must be able to communicate with its human controller. The interface is the mechanism of communication between the person and the robot. For example, a joystick controller for a video game is an interface used to communicate with the game. Mobility or Locomotion: Locomotion is how the robot gets from place to place–how it moves in its environment. Mobility can be achieved with wheels, legs, fins, propellers, and much more. Manipulators and Effectors: The parts of the robot that interact with objects may touch things, pick them up, place them in containers, spray […]

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WEB APPLICATION FIREWALLS AND ITS BENEFITS

A web application firewall (WAF) is a specific form of application firewall that filters, monitors, and blocks HTTP traffic to and from a web service. A WAF or Web Application Firewall helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross site forgery, cross-site-scripting XSS file inclusion, and SQL Injection among others. A WAF is a protocol layer 7  defense (in the OSL MODEL, and is not designed to defend against all types of attacks. This method of attack mitigation is usually part of a suite of tools which together create a holistic defense against a range of attack vectors. By deploying a WAF in front of a web application, a shield is placed between the web application and the Internet. While a proxy server protects a client machine’s identity by using an intermediary, a WAF is a type of reverse proxy, protecting the server from exposure by having clients pass through the WAF before reaching the server. A […]

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HOW TO SEND LARGE FILES THROUGH EMAIL

To send large files (up to 10 GB in size) through Gmail via Google Drive is as easy as uploading the file to your Google Drive account and then sending it as a shared URL. There are many other ways to email big files if you don’t use Gmail or Google Drive. Cloud  storage services and online backup services that support file sharing usually let you send really large files. There are also P2P file sharing techniques that usually have no file size cap. Use a Large File-Sharing Service As files have gotten larger, plenty of options for large file-sending services have popped up across the internet. These services let you upload a file, and then simply send a link for your recipient to retrieve it. WeTransfer is one of the most popular free platforms for transferring large digital files. They can transmit any type of file; presentations, photos, videos, music, documents and whatever else, as long as it’s within the free 2GB limit. There’s […]

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HOW TO GET FREE SSL CERTIFICATE FOR YOUR BLOG AND WEBSITE

DEFINITION SSL certificates are what enable websites to move from HTTP to HTTPS which is more secure. An SSL certificate is a data file hosted in a website’s origin server. SSL certificates make SSL/TLS encryption possible, and they contain the website’s public key and the website’s identity, along with related information. Devices attempting to communicate with the origin server will reference this file to obtain the public key and verify the server’s identity. The private key is kept secret and secure. What information does an SSL certificate contain? SSL certificates include: The domain name that the certificate was issued for Which person, organization, or device it was issued to Which certificate authority issued it The certificate authority’s digital signature Associated subdomains Issue date of the certificate Expiration date of the certificate The public key (the private key is kept secret) The public and private keys used for SSL are essentially long strings of characters used for encrypting and decrypting data. Data encrypted with the public key can […]

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COMPUTER NETWORKING CONCEPTS

Computer networking is the act of connecting, two or more computers  for the purpose of communicating data electronically. Besides physically connecting computer and communication devices, a network system serves the important function of establishing a cohesive architecture  that allows a variety of equipment types to transfer information in a near-seamless fashion. Two popular architectures are ISO Open Systems Interconnection (OSI) and IBMs Systems Network Architecture (SNA). A network can be defined as a group of computers and other devices connected in some ways so as to be able to exchange data. -Each of the devices on the network can be thought of as a node; each node has a unique address. … 241.98 -Some networks also provide names that humans can more easily remember than numbers The Two major network types are,local area network (LAN) and wireless network. Basic Networking Concepts Introduction Protocols Protocol Layers Network Interconnection/Internet2 Introduction-A network can be defined as a group of computers and other devicesconnected in some ways so as to be able to exchange data.-Each of the devices on […]

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PARENTAL CONTROL SOFTWARES AND ITS IMPORTANCE

Parenting in the Digital Age Modern kids have never known a time when they couldn’t connect to the entire world via the internet. In fact, they probably spend more time online than anyone else—certainly more than their parents. If you are a parent, this presents a problem, as there are explicit, disturbing, and illegal websites and apps that you don’t want your kids to encounter. Parental control services can help you manage the ever-increasing number of devices that your kids use. These software and hardware solutions let you block unwanted web content, limit screen time, restrict the use of risky applications, and more. Basically, they are a way to help keep your kids safer on their computers and mobile devices. Communicate with your kids before implementing any of these options, as it is important that they feel that you respect their privacy. Otherwise, they’ll make sure to find a way around any protections, even if you had your kids’ best […]

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BIOMETRIC CLOCKING SYSTEM AND ITS BENEFITS

What Is a Biometric Time Clock? A biometric time and attendance system is a time clock that tracks some unique physical characteristic of each employee when they clock in or out. There are many types of biometric data and biometric time clocks. Biometric data can comprise vascular patterns, fingerprints, iris patterns and voice recognition. A fingerprint time clock requires employees by a fingerprint previously stored in your system. A worker places a finger on the device’s fingerprint scanner to unlock the system for employee time tracking. However, his or her finger must be clean in order for the device to register a reading. On many construction job sites, this isn’t possible. Facial recognition is a biometric system that uses artificial intelligence to match an employee’s face with a photo. This requires a significant investment by the company or ownership in a late phone model for all employees. In ExakTime Mobile’s case, our time clock app snaps a photograph of the […]

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DHCP COMMANDS IN COMPUTER NETWORKING

What is DHCP?Dynamic Host Configuration Protocol DEFINITION Dynamic Host Configuration Protocol (DHCP) is a network management protocol used to automate the process of configuring devices on IP networks, thus allowing them to use network services such as DNS, NTP, and any communication protocol based on UDP or TCP. A DHCP server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks. DHCP is an enhancement of an older protocol called BOOTP. DHCP is an important part of the DDI Solution (DNS-DHCP-IPAM). DHCP server CLI commands Command options Description domain-name Specifies the domain name for the DHCP clients. domain-name-servers Specifies the Domain Name System (DNS) IP servers that are available to the DHCP clients. merit-dump Specifies the path name of a file into which the client’s core image should be placed in the event that the client crashes (the DHCP application issues an exception in case of errors such […]

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UNDERSTANDING ACCESS CONTROL LISTS IN COMPUTER NETWORKING

DEFINITION An Access Control List (ACL) is a set of rules that is usually used to filter network traffic. ACLs can be configured on network devices with packet filtering capatibilites, such as routers and firewalls. ACLs containts a list of conditions that categorize packets and help you determine when to allow or deny network traffic. They are applied on the interface basis to packets leaving or entering an interface. Two types of ACLs are available on a Cisco device: TYPES OF ACL standard access lists – allow you to evaluate only the source IP address of a packet. Standard ACLs are not as powerful as extended access lists, but they are less CPU intensive for the device. extended access lists – allow you to evaluate the source and destination IP addresses, the type of Layer 3 protocol, source and destination port, and other parameters. Extended ACLs are more complex to configure and require more CPU time than the standard ACLs, but they allow more granular level of control. Mandatory […]

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HOW TO FIX WIFI NETWORK SIGNAL NOT SHOWING

Some times, your wireless network signal may not be seen and this result in no connectivity at all therefore you can not have access to the internet  Learning what to look for when your wireless goes down can help you resolve these connection issues. CAUSES OF WIFI NETWORK NOT SHOWING UP The following are the reasons why your wifi network may not show up Router Issues Your router is a good place to start when troubleshooting a dropped wireless problem. Begin by ensuring that your router is powered on, and that its power light is not flickering or cutting out intermittently. If your router does appear to be powered off, it may be overheating due to dust or debris in its air vents. Gently clean your router’s vents with some compressed air, and retest. If your router has external antennae, ensure that these are correctly fitted to the device’s body. Physical Interference For a wireless signal to successfully reach your […]

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HOW TO INSTALL WINDOWS OS

Each version of Microsoft Windows is installed on a computer using similar steps. While there are steps in the installation process it can differ between versions of Windows, the following general steps and guidelines help you install Windows on your computer. To install windows os on your computer, you need to ensure that your meets the minimum requirement for installing the windows os,there are two major ways to install the os 1.It can be installed through the CD ROM Drive or through a bootable USB drive. Make sure your device meets the minimum system requirements For the latest version of Windows 10, you’ll need to have the following: CPU: 1GHz or faster supported processors.RAM: 1GB for Windows 10 32-bit or 2GB for Windows 10 64-bitStorage: 32GB of space or moreGPU: DirectX 9 compatible or later with WDDM 1.0 drriverDisplay: 800×600 resolution or greaterInternet connection: Some versions of Windows 10 require an internet connection during setup. Create installation media Use power […]

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HOW TO STOP WINDOWS SCRIPT ERROR POP UP

The Windows Script Host Error can be seem as a virus or malware infection to the untrained eye, however, it is nothing more than an error with the VBScript file. It appears with all versions of the operating system, and it doesn’t depend on any specific software that may trigger it. If this error happens, people could advise you to scan your system for malware, but certain users have even reported that their antivirus cleaned the virus but left the entry to trigger the .vbs file intact, and they still received the error. 3 reasons are found to be responsible for Windows Script Host error in Windows 7, Windows 8, and Windows 10. Virus or the Malware: Windows Script Host virus or malware is proved to be the major cause of this error. The virus/malware may attack your system and infect the crucial system files with a malicious code. In this case, you must remove/eliminate the virus completely in time; otherwise, it may delete your valuable […]

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HOW TO REMOVE RIGHT PROTECTION FROM USB AND MEMORY CARD

Write-protection overview Basically, people add write protection to protect data on a storage device from being modified or erased. However, sometimes, storage devices like USB flash drive, SD card, internal or external hard disk may become write-protected due to the following reasons: The physical switch of the USB is on the Lock side. USB is set as Read-Only by mistake. Third-party encryption software or virus locked USB as write-protected. BitLocker protection partition is turned on USB volume. What does it mean when a USB is write protected? Once your USB flash disk, SD card, internal or external hard drive is write-protected, it means that your device is unavailable for making any changes, such as add files, remove saved data, or format the drive. The only way out is to remove write protection. Some USB flash drives have a write-protection switch on the side or bottom. The write-protection switch is useful for keeping the contents of your drive safe from malware when you need to view them on a public computer. If your […]

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HOW TO CREATE A BROCHURE IN MICROSOFT WORD

DEFINITION A brochure is a foldable informative paper document, used up by an organization for promotional purposes; others know it to be a cost-effective tangible marketing tool which is distributed in bulk to the public. You would notice it either in a template or a pamphlet or leaflet form, subtly introducing you to a company and its featured products and services. What are the Types of Brochures Brochures, depending on purpose, layout and format, appear in five different designs. Each has a specific role to play. Let’s check out the same below: Bi-Fold If a formal layout is what you desire the most for your handout to be distributed in corporate meetings and trade shows, this shall serve your purpose well. Tri-Fold The name itself is indicative of the folds witnessed in such a circular style. The plus point of designing such a template is the ample space available for a designer to exercise his inherent creativity with attractive pictures […]

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Steps To Fix A Laptop That Won’t Charge

Reasons Why A laptop battery Refuses To charge Before you’re able to begin fixing your laptop that won’t charge, you need to have a primary understanding of why it began malfunctioning in the first place. Computers require hundreds of working pieces to properly function, so when one thing goes wrong, you’re likely left scratching your head wondering why.While there are plenty of variables that could play into your laptop battery losing its charge, we’ve narrowed down the most popular causes into three key culprits: power cord issues, software malfunction, and declining battery health. Power cord issues Taking your laptop from place to place means taking your laptop charger along with you, too. Between wrapping it up for easy packability and setting it down in strange ways to accommodate a far-away outlet, your cord can be bent out of shape in its earliest days.Key components work together to successfully power your laptop. Many PC chargers have a two-in-one-piece AC adapter; one […]

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UTILITY SOFTWARES,FUNCTIONALITIES AND BENEFITS

Utility software is a software designed to help to analyze, configure, optimize or maintain a computer. It is used to support the computer infrastructure – in contrast to application software, which is aimed at directly performing tasks that benefit ordinary users. These softwares are usually used for managing a computer’s device or program. List of important utility programs are as follows: List of Utility Programs Or Softwares System Utilities Storage Device Management Utilities File Management Utilities Miscellaneous Utilities System Utilities system utility is a system software designed to help analyze configure optimize or maintain your system. utility software along with operating system software is a type of system software to support the computer infrastructure, distinguishing it from applications software that is aimed at directly performing tasks that benefit the ordinary users. Anti-virus Clipboard managers Computer access control Debuggers Diagnostic programs Network utilities Package managers Registry cleaners System monitors System profilers Anti Virus The antivirus is a software that assists the […]

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HOW TO SOLVE THE PROBLEM”WINDOWS LICENSE WILL EXPIRE SOON”

Now, when this message show up, it’s either your license is really expired or it’s a problem that needs to be fixed. If you’re not sure if your copy is supposed to be valid or not, I would recommend that you contact microsoft support centre But if you’re sure it’s a mistake, then it’s time to fix it. Follow the following steps one by one to get through it. How to Fix Your Windows will expire soon in Windows 10 Step by Step: Step 1: Just restart your computer Before performing any fixes, it’s always better to make sure it’s not just a one-time issue. So, if you are facing this error for the first time, it’s good to give your computer a couple of restarts and see if the problem vanishes. If you still encounter it after rebooting your computer, then it’s serious and you need to take some actions and that’s what we’re offering in the next steps.  Step 2: […]

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COMPUTER DEVICE DRIVERS AND THEIR FUNCTIONS

In the most fundamental sense, a driver is a software component that lets the operating system and a device communicate with each other. For example, suppose an application needs to read some data from a device. The application calls a function implemented by the operating system, and the operating system calls a function implemented by the driver. The driver, which was written by the same company that designed and manufactured the device, knows how to communicate with the device hardware to get the data. After the driver gets the data from the device, it returns the data to the operating system, which returns it to the application. Types Of Computer Device Drivers Device drivers are small computer programs that allow operating systems to read pieces of hardware connected to your computer. There are countless kinds of device drivers for dozens of different pieces of computer hardware. However, for a computer to have basic functionality there are a few select drivers […]

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HOW TO CONFIGURE FTB SERVER IN LINUX OS

FTB Servers FTB is short for Feed The Beast and is a custom minecraft launcher that made it easy to install & use mod packs for minecraft. It’s used because a lot of people don’t know or just don’t want to add the mods themselves and it just made it easier and faster to grow modded server communities because there is a general launcher now making it easier for everyone to connect. FTB has in total 57 modpacks that come with it with one of the most popular being Direwolf20’spack it has been created by SlowPoke in November 2012. FTB Servers are very popular and a great bit of fun. This originated as a custom challenge map in Minecraft that made heavy use of multiple tech mods. It played very similar to a type of map known as Sky Block, where the player is started in a void world with only a small platform, and must overcome a series of challenges. […]

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HOW TO CONVERT USB FLASH DRIVE INTO RAM

A flash drive is a small, ultra-portable storage device which, unlike an optical drive or a traditional hard drive, has no moving parts. Flash drives connect to computers and other devices via a built-in USB Type-A or USB-C plug, making a flash drive a kind of combination USB  device and cable. Flash drives are often referred to as pen drives, thumb drives, or jump drives. The terms USB drive and solid-state drive (SSD) are also sometimes used but most of the time those refer to larger, not-so-mobile USB-based storage devices like external hard drives What does RAM stand for? RAM is short for “random access memory” and while it might sound mysterious, RAM is one of the most fundamental elements of computing. RAM is the super-fast and temporary data storage space that a computer needs to access right now or in the next few moments. Are you aware, you can use USB Flash Drive As RAM on your Windows 10, 8.1 and win 7 systems to optimize and boost your computer’s speed? Yes, it’s a Very […]

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FIREWALL FUNCTIONALITIES AND BENEFITS

A firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules. Its purpose is to establish a barrier between your internal network and incoming traffic from external sources (such as the internet) in order to block malicious traffic like viruses and hackers. Types of firewalls Firewalls can either be software or hardware, though it’s best to have both. A software firewall is a program installed on each computer and regulates traffic through port numbers and applications, while a physical firewall is a piece of equipment installed between your network and gateway. Packet-filtering firewalls, the most common type of firewall, examine packets and prohibit them from passing through if they don’t match an established security rule set. This type of firewall checks the packet’s source and destination IP addresses. If packets match those of an “allowed” rule on the firewall, then it is trusted to enter the network. Packet-filtering […]

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HOW TO REPAIR CORRUPTED SD CARD

What is an SD Card? In the computer world, An SD card is a removable storage device about the size of a postage stamp, or smaller, that can hold tremendous amounts of data. These storage cards are commonly found in digital cameras or as micro SD cards in smartphones. You can store tremendous amounts of data on SD cards, but they tend to cost significantly more than USB flash drives. Still, SD cards offer a portable storage option that tablet and smartphone owners appreciate. It is also called Secure Digital Memory Card) A family of compatible and very popular flash memory cards used primarily for storage in cameras and phones. Introduced in 1999 by Panasonic, Toshiba and SanDisk as the successor to the MultiMediaCard (see MMC, the SD technology is managed by the SD Association (www.sdcard.org). The full name of an  sd card is a secure data card. They come in regular format, mini format, and micro format. The mini and micro […]

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BEST CODE EDITORS FOR PROGRAMMERS

Code Editors Definition A code editor is a software or an application that helps programmers to compile and edit their codes before publishing or uploading it to the web server,it is also the place where programmers spend most of their time. TYPES OF CODE EDITORS There are two main types of code editors: IDEs and lightweight editors. Many people use one tool of each type. IDE The term IDE (Integrated Development Environment) refers to a powerful editor with many features that usually operates on a “whole project.” As the name suggests, it’s not just an editor, but a full-scale “development environment.” An IDE loads the project (which can be many files), allows navigation between files, provides autocompletion based on the whole project (not just the open file), and integrates with a version management system (like git), a testing environment, and other “project-level” stuff. If you haven’t selected an IDE yet, consider the following options: Visual Studio code(cross-platform, free). Webstorm (cross-platform, paid). For Windows, there’s […]

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BITCOIN MINING SOFTWARES

What is Bitcoin? Bitcoin is a digital currency created in January 2009 following the housing market crash. It follows the ideas set out in a whitepaper by the mysterious and pseudonymous Satoshi Nakamoto.1 The identity of the person or persons who created the technology is still a mystery. Bitcoin offers the promise of lower transaction fees than traditional online payment mechanisms and is operated by a decentralized authority, unlike government-issued currencies. There are no physical bitcoins, only balances kept on a public ledger that everyone has transparent access to, that – along with all Bitcoin transactions – is verified by a massive amount of computing power. Bitcoins are not issued or backed by any banks or governments, nor are individual bitcoins valuable as a commodity. Despite it not being legal tender, Bitcoin charts high on popularity, and has triggered the launch of hundreds of other virtual currencies collectively referred to as Altcoins. What Is Bitcoin Mining? Chances are you hear the phrase “bitcoin mining” and your […]

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PROJECTOR MAINTENANCE TIPS

A projector is an output device that takes images generated by a computer or Blu-ray player and reproduce them by projection onto a screen, wall, or another surface. In most cases, the surface projected onto is large, flat, and lightly colored. For example, you could use a projector to show a presentation on a large screen so that everyone in the room can see it. Projectors can produce either still (slides) or moving images (videos). A projector is often about the size of a toaster and weighs only a few pounds. Projectors have been an indispensable part of every educational institute, auditorium, seminar hall, conference room, and office for decades. Existing in a variety of forms, multimedia projectors are used for multiple purposes ranging from conducting classroom lessons, conferences, meetings, seminars and even for infotainment at times. However, different areas of application require different types of multimedia projectors. For example, in cinema halls, high-resolution laser projectors because it requires heavy-duty performance on a very […]

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UNDERSTANDING COMPUTER SYSTEM ADMINISTRATION

A system administrator, or sysadmin, is a person who is responsible for the upkeep, configuration, and reliable operation of computer systems; especially multi-user computers, such as servers. This is the responsibility of a computer systems administrator. Computer systems administrators are responsible for the upkeep, configuration, and reliable operation of a company’s computer systems; especially multi-user computers, such as servers. They also keep all equipment and software up to date. TYPES OF COMPUTER SYSTEM ADMINISTRATORS Network and Computer Systems Administrators A network and computer system administrator designs and installs entire computer systems for companies, including local area networks (LAN), wide area networks (WAN), Internet and intranet systems. Once they have installed a computer system for an organization, they typically monitor that system and analyze its performance, providing maintenance and troubleshooting problems when necessary. Database Administrators Database administrators set up databases for companies and use database management software to figure out better ways to organize and analyze data. Some projects may require the administrator integrate data from […]

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HOW TO REMOVE BIOS PASSWORD IN LAPTOPS

WHAT IS A BIOS PASSWORD A BIOS password is an authentication information that is sometimes required to log into a computer’s basic input/output system (BIOS) before the machine will boot up.  BIOS is the program a computer’s microprocessor uses to control the computer’s initial boot sequence and hardware Initialization. The BIOS password is stored in complementary metal-oxide semiconductor (CMOS) memory. In some computers, a small battery attached to the motherboard maintains the memory when the computer is off.  Because it provides an extra layer of security, a BIOS password can help prevent unauthorized use of a computer. A BIOS password can also be a liability, however, because if the computer owner forgets his password or a corporate user hands in his machine without disclosing the BIOS password, the computer will not boot up.   Sometimes, users encounter a password prompt at boot or the BIOS or CMOS setup is locked, as shown in the image below. If you do not know the BIOS password, you need […]

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HOW TO PREVENT POS FRAUD

What Is a POS Machine? The full meaning of POS is “point of sale,” or, in other words, it’s where your transaction is finalized. The term itself can have a couple of different interpretations. In the narrowest sense, it means that the terminal that sits beside the cash register to process credit and debit cards, and any gift cards you accept at your business. More often, when you speak of a POS machine, you’ll be thinking about the whole terminal, that has an informative screen and the ability to handle every payment type. There are a lot of special-purpose POS devices, too, and they fall somewhere between the simple card terminal and a comprehensive, full-bore POS system. Whether your needs take you to the high-end or the low-end, every POS machine needs to handle some of the same basic functions. A point-of-sale (POS) terminal is a hardware system for processing card payments at retail locations. Software to read magnetic strips […]

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COMMON DSTV ERROR CODES AND HOW TO FIX THEM

DSTV DEFINITION DSTV Means digital setellite television,DStv is a Sub-Saharan African direct broadcast satellite service owned by MultiChoice. The service launched in 1995 and provides multiple channels and services to their subscribers. How to fix persisting DSTV error codes It is also good to note that there are errors that would not disappear even if you apply the error fixing methods above. These errors may be too technical and would need some support to get them fixed. That is why Multichoice has made available the options below so you can fall back on to fix those errors. DStv error code e48-32 (Signal problem) This is a problem with the signal. If the weather is bad, this error may occur, so you only need to wait for the weather to get better. However, when no signal persists for an extended period, then you should get a technician to work on it. You can also use the shortcode, *668#. DSTV error code […]

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SQL SERVER,FEATURES AND FUNCTIONS

Microsoft SQL Server is a relational database management system developed by Microsoft. As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network. SQL Server is also a relational database management system, or RDBMS, developed and marketed by Microsoft. Similar to other RDBMS software, SQL Server is built on top of SQL, a standard programming language for interacting with the relational databases. SQL server is tied to Transact-SQL, or T-SQL, the Microsoft’s implementation of SQL that adds a set of proprietary programming constructs. SQL Server works exclusively on Windows environment for more than 20 years. In 2016, Microsoft made it available on Linux. SQL Server 2017 became generally available in October 2016 that ran on both Windows and Linux. SQL Server Features And Architecture The following diagram illustrates the architecture of the SQL […]

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COMPUTER PROCESSORS AND THEIR FUNCTIONS

A processor, or “microprocessor,” is a small chip that resides in computers and other electronic devices. Its basic job is to receive input and provide the appropriate output. While this may seem like a simple task, modern processors can handle trillions of calculations per second. A central processing unit, also called a central processor, main processor or just processor, is the electronic circuitry within a computer that executes instructions that make up a computer program A processor is an integrated electronic circuit that performs the calculations that run a computer. A processor performs arithmetical, logical, input/output (I/O) and other basic instructions that are passed from an operating system (OS). Most other processes are dependent on the operations of a processor. The terms processor, central processing unit (CPU) and microprocessor are commonly linked as synonyms. Most people use the word “processor” interchangeably with the term “CPU” nowadays, it is technically not correct since the CPU is just one of the processors inside a personal computer (PC). […]

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HOW TO CONVERT YOUR WEBSITE INTO A MOBILE APP WITHOUT CODING

WHAT IS A WEBSITE? A website is a collection of web pages and related content that is identified by a common domain name and published on at least one web server. Notable examples are wikipedia.org, google.com, and amazon.com. All publicly accessible websites collectively constitute the World Wide Web WHAT IS A MOBILE APP? What is a mobile application? A mobile application (also called a mobile app) is a type of application designed to run on a mobile device, which can be a smartphone or tablet computer. Even if apps are usually small software units with limited function, they still manage to provide users with quality services and experiences. Contrary to applications designed for desktop computers, mobile applications move away from integrated software systems. Instead, each mobile app provides an isolated and limited functionality. For example, it can be a game, a calculator, or a mobile web browser. How to Convert a Website into an Android & iPhone App in 3 Easy […]

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HOW TO BROWSE THE INTERNET USING YOUR DIGITAL SATELLITE DECODER

The benefits of the internet can not be overemphasized, internet is the eye with which we view the world as a global village.we all visit social media sites,use instagram,use whatsapp and others things that we do on the internet.The truth is that you can get internet connection through your digital satellite decoder.The underlisted steps will help you to achieve that. Connection Requirements SPLITTERLINKSYS CABLE MODEMRJ – 45 NIC CableEthernet CableRouter(WIRELESS OR WIRED if you intend to use more than one pc)DECODER(mytv, hitv, dstv, daarsat etc)Coaxial to RJ-45 converter or adapterCOAXIAL CABLES The steps to Connection Step 1 Coaxial Cable cord Splitter Port Connect the coaxial cable from your dish to your satellite decoder splitter (i.e. the “in” part) and then connect one cable from the first “out” port to your decoder and the one from the second port to your Linksys modem; the cable can be purchased from any shop where they sell cable Decoder while one of the other coaxial cable cords is connected to your television to watch satellite stations. Step 2 Coaxial Cable cord LINKSYS ROUTER […]

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CYBER CRIME AND ITS PREVENTION

What is cybercrime? Cybercrime is criminal activity that either targets or uses a computer, a computer network or a networked device. Most, but not all, cybercrime is committed by cybercriminals or hackers who want to make money. Cybercrime is carried out by individuals or organizations. Some cybercriminals are organized, use advanced techniques and are highly technically skilled. Others are novice hackers. Rarely, cybercrime aims to damage computers for reasons other than profit. These could be political or personal. Cybercrime,is also called computer crime, the use of a computer as an instrument to further illegal ends, such as committing fraud, trafficking in child pornography and intellectual property, stealing, or violating privacy. Cybercrime, especially through the internet, has grown in importance as the computer has become central to commerce, entertainment, and government. Cybercrime is any criminal activity that involves a computer, networked device or a network. While most cybercrimes are carried out in order to generate profit for the cybercriminals, some cybercrimes are carried out against computers or devices directly […]

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UNDERSTANDING WEB HOSTING

DEFINITION Web hosting is a situation. whereby a hosting provider allocates space on a web server for a website to store its files,  Web hosting makes the files that comprise a website (code, images, etc.) available for viewing online. Every website you’ve ever visited is hosted on a server. Types of  web hosting VPS Hosting VPS stands for “virtual private server.” This hosting type is a step above shared web hosting. When a website outgrows their shared plan, it’s common for owners to upgrade to a VPS. With a virtual private server, your website will still be sharing a single server with other websites. However, the number of websites you’ll be sharing it with is significantly lower. The main server is split into multiple virtual servers—hence the name. These virtual servers can be customized by individual websites. Even though the main server is shared with other sites, your website will have dedicated resources with a VPS. WordPress Hosting WordPress hosting optimizes for WordPress as your content management system. You’ll normally see two different types of […]

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COMPUTER FILE TRANSFER PROTOCOL(FTP)

DEFINITION FTP, means file transfer protocol, computer application used to transfer files from one computer to another over a local area network (LAN) or a wide area network (WAN) such as the Internet. FTP. File transfer protocol (FTP) is also a set of rules that computers follow for the transferring of files from one system to another over the internet. It may be used by a business to transfer files from one computer system to another, or websites may use FTP to upload or download files from a website’s server. TYPES OF FTP FTP Plain, unencrypted FTP that defaults over port 21. Most web browsers support basic FTP. FTPS Implicit SSL/TLS encrypted FTP that works just like HTTPS. Security is enabled with SSL as soon as the connection starts. The default FTPS port is 990. This protocol was the first version of encrypted FTP available, and while considered deprecated, is still widely used. None of the major web browsers support FTPS. FTPES Explicit FTP over SSL/TLS. This […]

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ROUTING PROTOCOL IN COMPUTER NETWORKING

What is a router in networking? A router is a piece of network hardware responsible for forwarding packets to their destinations. Routers connect to two or more IP networks or subnetworks and pass data packets between them as needed. Routers are used in homes and offices for setting up local network connections. More powerful routers operate all over the Internet, helping data packets reach their destinations. What is network routing? Network routing is the process of selecting a path across one or more networks. The principles of routing can apply to any type of network, from telephone networks to public transportation. In packet-switching networks, such as the Internet, routing selects the paths for Internet protocol(IP) packets to travel from their origin to their destination. These Internet routing decisions are made by specialized pieces of network hardware called routers Consider the image below. For a data packet to get from Computer A to Computer B, should it pass through networks 1, 3, and 5 […]

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UNDERSTANDING PROGRAMMING LANGUAGES

What is a programming Language? A programming language is a set of commands, instructions, and other syntax use to create a software program. Languages that programmers use to write code are called “high-level languages.” This code can be compiled into a “low-level language,” which is recognized directly by the computer hardware. A programming language is also a notation designed to connect instructions to a machine or a computer. Programming languages are mainly  used to control the performance of a machine or to express algorithms. At present, thousand programming languages have been implemented. In the computer field, many languages need to be stated in an imperative form, while other programming languages utilize declarative form. The program can be divided into two forms such as syntax and semantics. Some languages are defined by an SO standard like C language. TYPES OF PROGRAMMING LANGUAGES Functional Programming Language Functional programming language typically uses stored data, frequently avoiding loops in favor of recursive functions.The functional programing’s  primary focus […]

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HOW TO INSTALL DHCP SERVER FOR YOUR ORGANIZATION

In my previous post, i defined DHCP, its components and benefits I will now take you through the process of installing and configuring DHCP server for your organization. Installing a DHCP Server , Let’s talk about how to install and configure a Windows Server 2003 based DHCP server. Before I get started, I should mention that the server itself must be configured to use a static IP address. Begin the process by selecting the Add / Remove Programs option in the Control Panel. When the Add / Remove Programs dialog box opens, click the Add / Remove Windows Components button. After a brief delay, Windows will open the Windows Components Wizard. Scroll through the list of available components until you find the Networking Services option. Select Networking Services and then click the Details button. You will now see a list of the various Windows network services. Select the check box next to Dynamic Host Configuration Protocol and click OK, followed […]

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DHCP FUNCTIONALITIES AND BENEFITS

DHCP definition DHCP stands for dynamic host configuration protocol and is a network protocol used on IP networks where a DHCP server automatically assigns an IP address and other information to each host on the network so they can communicate efficiently with other endpoints. In addition to the IP address, DHCP also assigns the subnet mask, default gateway address, domain name server (DNS) address and other pertinent configuration parameters. Request for comments (RFC) 2131 and 2132 define DHCP as an Internet Engineering Task Force (IETF)- defined standard based on the BOOTP protocol. A DHCP Server is a network server that automatically provides and assigns IP addresses, default gateways and other network parameters to client devices. It relies on the standard protocol known as Dynamic Host Configuration Protocol or DHCP to respond to broadcast queries by clients. A DHCP server automatically sends the required network parameters for clients to properly communicate on the network. Without it, the network administrator has to manually set up every client that joins the […]

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CYBER SECURITY AND SOLUTIONS

Definition Cyber security is the practice of defending computers, servers, mobile devices, electronic systems, networks, and data from malicious attacks. It’s also known as information technology security or electronic information security. The term applies in a variety of contexts, from business to mobile computing, and can be divided into a few common categories. TYPES OF CYBER THREATS 1. Cybercrime includes single actors or groups targeting systems for financial gain or to cause disruption. 2. Cyber-attack often involves politically motivated information gathering. 3. Cyberterrorism is intended to undermine electronic systems to cause panic or fear. So, how do malicious actors gain control of computer systems? Here are some common methods used to threaten cyber-security: Malware Malware means malicious software. One of the most common cyber threats, malware is software that a cybercriminal or hacker has created to disrupt or damage a legitimate user’s computer. Often spread via an unsolicited email attachment or legitimate-looking download, malware may be used by cybercriminals to make money or in politically motivated […]

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MYSQL,FEATURES,FUNCTIONS AND BENEFITS

DEFINITION MySQL is an open source relational database management system (RDBMS) with a client-server model. RDBMS is a software or service used to create and manage databases based on a relational model. Now, let’s take a closer look at each term: MySQL is also an Oracle-backed open source relational database management system based on Structured Query Language (SQL). MySQL runs on virtually all platforms, including Linux, unix and Windows. Although it can be used in a wide range of applications, MySQL is most often associated with web applications and online publishing. MySQL is an important component of an open source enterprise stack called LAMP,. LAMP is a web development platform that uses Linux as the operating system, Apache as the web server, MySQL as the relational database management system and PHP as the object-oriented scripting language. (Sometimes Perl or Python is used instead of PHP.) Originally conceived by the Swedish company MySQL AB, MySQL was acquired by Sun Microsystems in 2008 and then by Oracle when it bought Sun in 2010. Developers can use MySQL under the GNU General Public […]

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COMPUTER OPERATING SYSTEMS AND ITS FUNCTIONALITIES

What is a computer operating system? An operating system is the most important software that runs on a computer. It manages the computer’s memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer’s language. Without an operating system, a computer is useless. Operating system (OS), program that manages a computer’s resources, especially the allocation of those resources among other programs. Typical resources include the central processing unit (CPU), computer memory, file storage, input/output (i/o)devices, and network connections. Management tasks include scheduling resource use to avoid conflicts and interference between programs. Unlike most programs, which complete a task and terminate, an operating system runs indefinitely and terminates only when the computer is turned off. TYPES OF OPERATING SYSTEMS Operating systems usually come pre-loaded on any computer you buy. Most people use the operating system that comes with their computer, but it’s possible to upgrade or even change operating systems. The three most common operating systems for personal computers are Microsoft Windows, macOS, and Linux. Modern operating […]

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INFORMATION TECHNOLOGY AND ITS BENEFITS

DEFINITION IT or information technology refers to the development, maintenance, and use of computer software, systems, and networks. It includes their use for the processing and distribution of data. Data means information, facts, statistics, etc., gathered together for reference, storage, or analysis. IT involves installing, organizing, and maintaining computer systems. It also involves designing and operating databases and networks. The most basic information technology definition is that it’s the application of technology to solve business or organizational problems on a broad scale. No matter the role, a member of an IT department works with others to solve technology problems, both big and small. BRANCHES OF INFORMATION TECHNOLOGY Computer Programming Programmers write code for computers and turn software designs into reality. Computer programmers usually earn a Bachelor’s in Computer Science; some, however, are hired with an associate degree. In college, most programmers learn only a few computer languages, but develop the skills necessary to learn new computer languages. As a result, computer programming […]

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COMPUTER RAM AND ITS FUNCTIONS

DEFINITION RAM (random-access memory) is a hardware device that allows information to be stored and retrieved on a computer. RAM is usually associated with DRAM, which is a type of memory module. Because data is accessed randomly instead of sequentially like it is on a CD or hard  drive access times  are much faster. However, unlike ROM, RAM is a VOLATILE MEMORY and requires power to keep the data accessible. If the computer is turned off, all data contained in RAM is lost.Tip New users often confuse RAM with disk drive space. See our memory definition for a comparison between the two. TYPES OF RAM Two main types of RAM are: Static RAM Dynamic RAM Static RAM Static RAM is the full form of SRAM. In this type of RAM, data is stored using the state of a six transistor memory cell. Static RAM is mostly used as a cache memory for the processor (CPU). Dynamic RAM DRAM stands for Dynamic Random Access Memory. It is a type of RAM which […]

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MICROSOFT ACCESS AND ITS SHORT CUT KEYS

What is Microsoft Access? Microsoft Access is a Database Management System offered by Microsoft. It uses the Microsoft Jet Database Engine and comes as a part of the Microsoft Office suite of application. Microsoft Access offers the functionality of a database and the programming capabilities to create easy to navigate screens (forms). It helps you analyze large amounts of information, and manage data IMPORTANCE OF MICROSOFT ACCESS Microsoft Access, is an information management tool, or relational database, that helps you store information for reference, reporting and analysis. Access can also overcome the limitations found when trying to manage large amounts of information in Excel or other spreadsheet applications. A spreadsheet program like Microsoft Excel cant do the work of ms accessin terms of maintaining and calculating large sets of information. Excel is easy to understand and easy to use. You can sort, filter and format the data quickly and easily. But spreadsheets are not ideal for handling hundreds of records when creating […]

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COMPUTER MOTHER BOARD TYPES AND FUNCTIONS

Definition The motherboard is a printed circuit board and foundation of a computer that is the biggest board in a computer chassis. It allocates power and allows communication to and between the CPU RAM, and all other computer HARDWARE components. Types of Motherboards Motherboards come in different sizes, known as form factors. The most common motherboard form factor is ATX. The different types of ATX are known as micro-ATX (sometimes shown as µATX, mini-ATX, FlexATX, EATX, WATX, nano-ATX, pico-ATX, and mobileATX). A smaller form factor is ITX, which comes in mini-ITX, nano-ITX, and pico-ITX sizes. Some motherboards, such as the NLX and LPX form factors, had a riser board that attached to the smaller motherboard. Adapters go into the slots on the riser board instead of into motherboard slots. Relationship Between Motherboard And Other Computer Hardware Components A motherboard provides connectivity between the hardware components of a computer, like the processor (CPU), memory (RAM), hard drive, and VIDEO CARD. There are multiple types of motherboards, designed to fit different types and sizes of computers. Each type of […]

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THE COMPUTER CPU AND ITS FUNCTIONS

(CPU) means,Central processing unit,it is a principal part of any digital computer system, generally composed of the main memory, control unit, and arithmetic-logic unit. It constitutes the physical heart of the entire computer system; to it is linked various peripheral equipment, including input/output devices and auxilliary storage units. In modern computers, the CPU is contained on an integrated circuit chip called a microprocessor. The control unit of the central processing unit regulates and integrates the operations of the computer. It selects and retrieves instructions from the main memory in proper sequence and interprets them so as to activate the other functional elements of the system at the appropriate moment to perform their respective operations. All input data are transferred via the main memory to the arithmetic logic unit for processing, which involves the four basic arithmetic functions (i.e., addition, subtraction, multiplication, and division) and certain logic operations such as the comparing of data and the selection of the desired problem-solving procedure or a viable alternative based on predetermined decision criteria. CPU Components A typical CPU has a number of components. The first is the arithmetic logic unit […]

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COMPUTER OUTPUT DEVICES

An output device is any piece of computer hardware equipment which converts information into human-readable form. It can be text, graphics, tactile, audio, and video. Some of the output devices are Visual Display Units (VDU) i.e. a Monitor, Printer, Graphic Output devices, Plotters, Speakers etc. An output device is also any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. TYPES OF OUTPUT DEVICES 1.Video Card Mode: Visual Function: As with the sound card, the video card is an expansion card that slots into the motherboard. The video card processes images and video, enabling visuals to be seen on a display. Most computers have basic video and graphics capabilities built into the computer’s motherboard, but for faster, more detailed graphics, a video card is required. Popular Brands: NVIDIA, ASUS, MSI, EVGA Origin Story: Video cards are also known as GPUs or graphics processing units. Before modern-day GPUs, IBM introduced the MDA Monochrome display adapter. The MDA supported visuals such as text and lines for uses such as drafting but […]

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COMPUTER INPUT DEVICES

In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones. An input device is also any hardware device that sends data to a computer, allowing you to interact with and control it TYPES OF INPUT DEVICES Keyboard Keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions. Keyboards are of two sizes 84 keys or 101/102 keys, but now keyboards with 104 keys or 108 keys are also available for Windows and Internet. The keys on the keyboard are as follows − S.No Keys & Description 1 Typing KeysThese keys include the letter keys (A-Z) and digit keys (09) which generally give the same layout as that of typewriters. […]

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BENEFITS OF COMPUTER HARDWARE MAINTENANCE

Computer hardware is the collection of physical parts of a computer system. This includes the computer case, monitor, keyboard, and mouse. It also includes all the parts inside the computer case, such as the hard disk drive, motherboard, video card, and many others. Computer hardware is what you can physically touch. Definitions A computer system consists of two major elements: hardware and software. Computer hardware is the collection of all the parts you can physically touch. Computer software, on the other hand, is not something you can touch. Software is a set of instructions for a computer to perform specific operations. You need both hardware and software for a computer system to work. Some hardware components are easy to recognize, such as the computer case, keyboard, and monitor. However, there are many different types of hardware components. In this lesson, you will learn how to recognize the different components and what they do. Types of hardware Types of hardware include the following: Motherboard: The […]

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COMPUTER BIOS,FUNCTIONS AND IMPORTANCE

What is BIOS? As your PC’s most important startup program, BIOS, or Basic Input/Output System, is the built-in core processor software responsible for booting up your system. Typically embedded into your computer as a motherboard chip, the BIOS functions as a catalyst for PC functionality action. There are two different types of BIOS: UEFI (Unified Extensible Firmware Interface) BIOS – Any modern PC has a UEFI BIOS. … Legacy BIOS (Basic Input/Output System) – Older motherboards have legacy BIOS firmware for turning on the PC FUNCTIONS OF BIOS BIOS (basic input/output system) is the program a computer’s microprocessor uses to start the computer system after it is powered on. It also manages data flow between the computer’s operating system (OS) and attached devices, such as the hard disk, video adapter, keyboard, mouse and printer. The 4 functions of BIOS BIOS identifies, configures, tests and connects computer hardware to the OS immediately after a computer is turned on. The combination of these steps is called the boot process. These tasks are each carried out by BIOS’ […]

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DATA PROCESSING AND ITS USEFULNESS

Data processing, is the Manipulation of data by a computer. It includes the conversion of raw data to machine-readable form, flow of data through the CPU and memory to output devices, and formatting or transformation of output. Any use of computers to perform defined operations on data can be included under data processing. In the commercial world, data processing refers to the processing of data required to run organizations and businesses. TYPES OF DATA PROCESSING 1.Time Sharing This kind of Data processing is entirely based on time. In this, one unit of processing data is used by several users. Each user is allocated with the set timings on which they need to work on the same CPU/processing Unit. Intervals are divided into segments, and thus to users, so there is no collapse of timings which makes it a multi-access system. This processing technique is also widely used and mostly entertained in startups. 2.Multi Processing This is the most commonly used data processing technique. […]

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ANALYSIS OF COMPUTER GENERATIONS

What is a computer? A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos. When we study the many aspects of computing and computers, it is important to know about the history of computers. Charles Babbage designed an Analytical Engine which was a general computerIt helps us understand the growth and progress of technology through the times. It is also an important topic for competitive and banking exams. TYPES OF COMPUTERS  1.Microcomputer Microcomputer is also known as a personal computer. It is a general-purpose computer that is designed for individual use. It has a microprocessor as a central processing unit, memory, storage area, input unit and output unit. Laptops and desktop computers are examples of microcomputers. They are suitable for personal work that may be making an […]

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VPN FUNCTIONALITIES AND BENEFITS

VPN DEFINITION  (VPN) is called virtual private network it gives you online privacy and anonymity by creating a private network from a public internet connection. VPNs mask your internet protocol (IP) address so your online actions are virtually untraceable. Most important, VPN services establish secure and encrypted connections to provide greater privacy than even a secured Wi-Fi hotspot. Why do you need a VPN service? Surfing the web or transacting on an unsecured Wi-Fi network means you could be exposing your private information and browsing habits. That’s why a virtual private network, better known as a VPN, should be a must for anyone concerned about their online security and privacy. Think about all the times you’ve been on the go, reading emails while in line at the coffee shop, or checking your bank account while waiting at the doctor’s office. Unless you were logged into a private Wi-Fi network that requires a password, any data transmitted during your online session […]

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ESSENTIAL RUN COMMANDS EVERY WINDOWS USER MUST KNOW.

Run command is part of BASIC programming language used for starting a program. In Windows, people uses Run command to quickly open apps and documents. Simply press ‘Win + R’ shortcut keys to open the Run prompt. Run Command in Windows 10. You can enter any application name or folder or document in the ‘Open’ text box. Microsoft created Windows operating system with beautiful interfaces from the simple Disk Operating System (DOS). Still most of the people are convenient in using Command Prompt to get things done. Because it is very difficult to navigate through hundreds of thousands of options available in Windows 10. Due to this fact, Microsoft also offers a quick option using Run command box to open programs and get things done in Windows. In this article, let us show you how to use Run command and top 10 Run commands for Windows 10 that will make your task easy. IMPOTTANCE OF “RUN” COMMAND Using Run commands in Windows is a very efficient way to access different Windows settings […]

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HOW TO FIX WHITE SCREEN PROBLEM IN LAPTOP

The laptop white screen problem may be caused by a faulty graphics card, non-working display, malware/viruses, etc. Now, let’s go to see how to fix the white screen on laptop. Tip: In addition, you may also be bothered by the white screen on computer monitor if you are using a desktop PC If you have such problem,follow the steps below to solve it. Modify your registry Enter Safe Mode by pressing windows key +r type msconfig then click on safe mode. In Safe Mode, press Windows Key + R to open the Run dialog. Now enter regedit and press Enter or click OK. When Registry Editor opens, navigate to the following location:HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon In the right pane, you should see a Shell string. Right-click on it and choose Delete from the menu. When the confirmation dialog appears, click on Yes. Once you delete this value, restart your PC and try to start the Windows normally. Check your graphics card According to users, a white screen appears sometimes if your graphics card is faulty. If the computer screen goes white as soon as you press the Power […]

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HOW TO BOOT YOUR PC IN SAFE MODE IN WINDOWS 10 AND OTHERS

Starting your computer in Safe Mode is a handy way to diagnose common issues with your PC, including unwanted malware and apps that pose a risk to your security. There are many ways to enter Safe Mode in Windows 10, whether you’re booting up or restarting the system. Read on to discover how, and when, to use this essential Windows feature. What is Safe Mode Boot? Safe Mode boot is a way of running your computer or mobile device that allows you to diagnose problems with your operating system. Unlike normal operating mode, a computer’s Safe Mode only loads the software it really needs, either ignoring (or running at a low resolution) any third-party programs or drivers you may have installed. It’s been a feature of Windows operating systems since 1995. When to boot in Safe Mode As a diagnostic tool, you typically only need to boot into Safe Mode when you want to troubleshoot a problem with your device […]

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HOW TO CONVERT PDF TO WORD DOCUMENT

What is a PDF file? Adobe PDF files—short for portable document format files—are one of the most commonly used file types today. If you’ve ever downloaded a printable form or document from the Web, such as a tax form, there’s a good chance it was a PDF file. Whenever you see a file that ends with .pdf, that means it’s a PDF file. Why is it necessary to use PDF files? Let’s say you create a newsletter in Microsoft Word and share it as a .docx file, which is the default file format for Word documents. Unless everyone has Microsoft Word installed on their computers, there’s no guarantee that they would be able to open and view the newsletter. And because Word documents are meant to be edited, there’s a chance that some of the formatting and text in your document may be shifted around. By contrast, PDF files are primarily meant for viewing, not editing. One reason they’re so popular is that PDFs can preserve document […]

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HARD DISK MAINTENANCE TIPS

A hard disk drive (sometimes abbreviated as a hard drive, HD, or HDD) is a non-volatile data storage device. It is usually installed internally in a computer, attached directly to the disk controller of the computer’s mother board. It contains one or more platters, housed inside of an air-sealed casing. Data is written to the platters using a magnetic head, which moves rapidly over them as they spin. Internal hard disks reside in a drive bay, connected to the motherboard using an ATA, SCSI, or SATA cable. They are powered by a connection to the computer’s PSU (power supply unit). Examples of data stored on a computer’s hard drive include the operating system installed software, and the user’s personal files. Hard Drive Types Currently, we can group hard drives into four types: Parallel Advanced Technology Attachment (PATA) Serial ATA (SATA) Small Computer System Interface (SCSI) Solid State Drives (SSD) Parallel Advanced Technology Attachment These were the first types of hard disk drives and they made use of the Parallel ATA interface standard to connect to computers. These types of drives […]

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TIPS ON CONVERTING MBR TO GPT PARTITION STYLE WITHOUT DATA LOSS

WHAT IS MBR The Master Boot Record (MBR) is the information in the first sector of any hard disk or diskette that identifies how and where an operating system is located so that it can be boot (loaded) into the computer’s main storage or random access memory. The Master Boot Record is also sometimes called the “partition sector” or the “master partition table” because it includes a table that locates each partition that the hard disk has been formatted into. In addition to this table, the MBR also includes a program that reads the boot sector record of the partition containing the operating system to be booted into RAM. In turn, that record contains a program that loads the rest of the operating system into RAM. WHAT IS GPT The GUID Partition Table (GPT) is a standard for the layout of partition tables of a physical computer storage device, such as a hard disk drive or solid-state drive, using universally unique identifiers, which are also known as globally […]

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HOW TO KNOW IF YOUR WINDOWS OS IS ACTIVATED OR NOT

Windows is an operating system that is used by a large percentage of computer users,for this operating system to work effectively, there is need for it to be activated after installation Activation is a process that is built into Windows. It helps to verify that your copy of Windows is genuine. When your Windows is genuine, you are eligible to receive all product updates and product support from Microsoft. If it is not genuine, you still get security updates but not much else. Also, you are regularly asked to activate your copy of Windows, by providing a genuine product key. The activation checks are regularly made by Windows. The first time it takes place is when you install Windows or when you first use a newly purchased PC or device with Windows. Another time an activation check is made is when you attempt to download optional updates from Microsoft. Significant hardware changes inside your computer can also trigger automatic activation […]

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MAJOR PILLARS OF INTERNET MARKETING

Definition Of Internet Marketing It is also called online marketing, internet marketing is the process of promoting a business or brand and its products or services over the internet using tools that help drive traffic, leads, and sales. Internet marketing a pretty broad term that encompasses a range of marketing tactics and strategies – including content, email, search, paid media, and more. The 7 Types of Internet Marketing There are seven main types of internet marketing: Social media marketing Affiliate marketing Email marketing Content marketing Search engine optimization (SEO) Paid advertising Each of these seven types of internet marketing encompasses many different strategies and tactics. Plus, these types of internet marketing complement each other and are often used together. Let’s explore the different types of internet marketing to understand how they work individually and together. 1. Social Media Marketing Social media marketing is the use of social media platforms to connect with your audience to build your brand, increase sales, and drive website […]

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STRATEGIES TO DRIVE MUTIPLE TRAFFIC TO YOUR BLOG AND WEBSITE

It is the desire of every blog or website owner to have multiple traffic on their websites and blogs,this makes their sites popular on the internet and increase revenue because the more popular a site is,the more the revenue or earnings.In this article we will teach you the strategies you will apply to drive traffic to your websites. What is Website Traffic? Definition: Website traffic refers to web users who visit a website. Web traffic is measured in visits, sometimes called “sessions,” and is a common way to measure an online business effectiveness at attracting audience. Why Do You Need More Website Traffic? Website traffic is both an important indicator and driver of business growth. It can help you to:• See how well your marketing is working• Gather insights about your audience to make decisions• Improve your SEO and search engine credibility• Generate more leads, increase conversions, and get more customers Yet achieving these benefits requires driving traffic to your website […]

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ANALYSIS OF THE IMPORTANCE OF WEBSPIDERS AND CRAWLERS

A web crawler, spider, or search engine bot downloads and indexes content from all over the Internet. The goal of such a bot is to learn what (almost) every webpage on the web is about, so that the information can be retrieved when it’s needed. They’re called “web crawlers” because crawling is the technical term for automatically accessing a website and obtaining data via a software program. These bots are almost always operated by search engines. By applying a search algorithm to the data collected by web crawlers, search engines can provide relevant links in response to user search queries, generating the list of webpages that show up after a user types a search into Google or Bing (or another search engine). A web crawler bot is like someone who goes through all the books in a disorganized library and puts together a card catalog so that anyone who visits the library can quickly and easily find the information they need. To […]

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HOW TO USE WHOIS TOOLS TO GATHER INFORMATION ABOUT DOMAIN AND IP ADDRESSES

WHOIS is a TCP-based query and response protocol that is commonly used to provide information services to Internet users. It returns information about the registered Domain Names, an IP address block, Name Servers and a much wider range of information services. In Linux, the whois command line utility is a WHOIS client for communicating with the WHOIS server (or database host) which listen to requests on the well-known port number 43, which stores and delivers database content in a human-readable format. Whois is a widely used Internet record listing that contains the details of who owns a domain name and how to get in touch with them. The contact details can be for both the domain’s registrar or the web hosting company providing space or storage for that specific website. You can find multiple Whois lookup tools on the Internet – like everything else, the best tool is the one that meets your needs or requirements. Sometimes we only need a couple of details so any […]

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HOW TO DELETE A COMPUTER VIRUS WITH CMD

What is a computer virus?  A computer virus is a type of malicious code or program written to alter the way a computer operates and is designed to spread from one computer to another. A virus operates by inserting or attaching itself to a legitimate program or document that supports macros in order to execute its code. In the process, a virus has the potential to cause unexpected or damaging effects, such as harming the system software by corrupting or destroying data. What are the signs of a computer virus? A computer virus attack can produce a variety of symptoms. Here are some of them: Frequent pop-up windows. Pop-ups might encourage you to visit unusual sites. Or they might prod you to download antivirus or other software programs. Changes to your homepage. Your usual homepage may change to another website, for instance. Plus, you may be unable to reset it. Mass emails being sent from your email account. A criminal may take control […]

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HOW TO CRACK AND SECURE WIRELESS ENCRYPTION

Wireless encryption secures your wireless network with an authentication protocol. It requires a password or network key when a user or device tries to connect. If your wireless network isn’t secure, unauthorized users could access your network and obtain personal information or use your internet connection for malicious or illegal activity. Your network speed or performance may decrease if people use your network without your knowledge. General Attack types Sniffing– this involves intercepting packets as they are transmitted over a network. The captured data can then be decoded using tools such as Cain & Abel. Man in the Middle (MITM) Attack– this involves eavesdropping on a network and capturing sensitive information. Denial of Service Attack– the main intent of this attack is to deny legitimate users network resources. Fatajack can be used to perform this type of attack. Cracking Wireless network WEP/WPA keys It is possible to crack the WEP/WPA keys used to gain access to a wireless network. Doing so requires […]

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THE USEFULNESS OF ETHICAL HACKING TO CYBER SECURITY

Hacking is the act of identifying weakness in computer systems or networks and exploiting these weaknesses to gain access to other people’s computers so as to steal sensitive data and information. Example of Computer Hacking: Using password cracking algorithm to gain access to a system Hacking is also an attempt to exploit a computer system or a private network inside a computer. Simply put, it is the unauthorised access to or control over computer network security systems for some illicit purpose. Analysis: To better describe hacking, one needs to first understand hackers. One can easily assume them to be intelligent and highly skilled in computers. In fact, breaking a security system requires more intelligence and expertise than actually creating one. There are no hard and fast rules whereby we can categorize hackers into neat compartments. TYPES OF HACKERS However, in general computer parlance, we call them white hats, black hats and grey hats. White hat professionals hack to check their own security systems […]

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THE RELEVANCE OF IP ADDRESSES TO COMPUTER NETWORKING

An IP address is a fascinating product of modern computer technology designed to allow one connected computer (or “smart” device) to communicate with another device over the Internet. IP addresses allow the location of literally billions of digital devices that are connected to the Internet to be pinpointed and differentiated from other devices. Because, in the same way you to need a mailing address to recieve a letter in the mail from a friend, a remote computer needs your IP address to communicate with your computer. IP (Internet Protocol) Address is an address of your network hardware. It helps in connecting your computer to other devices on your network and all over the world. An IP Address is made up of numbers or characters. An example of an IP address would be: 506.457.14.512 IP VERSIONS There are are two IP versions: IPv4 and IPv6. IPv4 is the older version which has an space of over 4 billion IP addresses. However, […]

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HOW TO REPAIR CURRUPTED SYSTEM FILES IN WINDOWS 10

What are system files in Windows 10? Technically speaking, a Windows system file is any file with the hidden system attribute turned on. In practice, system files are those files that Windows depends upon to operate properly. These range from hardware drivers to configuration and DLL files and even the various hive files that make up the Windows Registry. When Is A System File Said To Be Corrupt? A corrupted file is one that is damaged, and does not perform properly. This can apply to any type of file, from program files to system files and all types of documents. Just about everybody has probably had an issue with a corrupted file at some point in time. In many cases it can be resolved with a simple re-boot of your system, but sometimes the issues are more complex. Every file on your computer has a particular structure and content. When this information is in the right place and arranged properly, the file […]

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SESSION HIJACKING ATTACK IN CYBER SECURITY AND ITS PREVENTION

Definition Session hijacking is defined as taking over an active TCP/IP communication session without the user’s permission. When implemented successfully, attackers assume the identity of the compromised user, enjoying the same access to resources as the compromised user. Identity theft, Information theft, stealing sensitive data are some of the common impacts of session hijacking. Session hijacking is also an attack where a user session is taken over by an attacker. A session starts when you log into a service, for example your banking application, and ends when you log out. The attack relies on the attacker’s knowledge of your session cookie, so it is also called cookie hijacking or cookie side-jacking. Although any computer session could be hijacked, session hijacking most commonly applies to browser sessions and web applications. Types of session hijacking attacks: There are two types of session hijacking depending on how they are done. If the attacker directly gets involved with the target, it is called active […]

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TIPS ON BUFFER OVERFLOW ATTACK AND PREVENTION

What is Buffer Overflow Buffers are memory storage regions that temporarily hold data while it is being transferred from one location to another. A buffer overflow (or buffer overrun) occurs when the volume of data exceeds the storage capacity of the memory buffer. As a result, the program attempting to write the data to the buffer overwrites adjacent memory locations. For example, a buffer for log-in credentials may be designed to expect username and password inputs of 8 bytes, so if a transaction involves an input of 10 bytes (that is, 2 bytes more than expected), the program may write the excess data past the buffer boundary. Buffer overflows can affect all types of software. They typically result from malformed inputs or failure to allocate enough space for the buffer. If the transaction overwrites executable code, it can cause the program to behave unpredictably and generate incorrect results, memory access errors, or crashes. A buffer is also a sequential section […]

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ANALYZING YOUR NETWORK WITH WIRESHARK

Wireshark has developed a reputation as one of the most reliable network protocol analyzers available on the market. Users across the globe have been using this open-source application as a complete network analysis tool. Through Wireshark, users can troubleshoot network problems, examine network security issues, debug protocols, and learn network processes. At its core, Wireshark was designed to break down packets of data being transferred across different networks. The user can search and filter for specific packets of data and analyze how they are transferred across their network. These packets can be used for analysis on a real-time or offline basis. The user can use this information to generate statistics and graphs. Wireshark was originally known as Ethereal but has since established itself as one of the key network analysis tools on the market. This is the go-to tool for users who want to view data generated by different networks and protocols. Wireshark is suitable for novice and expert users alike. The […]

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How To Unlock Rar Files With Kali Linux

Kali linux has many available tools for cracking rar or zip files password John is one of the tools, I will tell you how to use “John” for this purpose as I personally use this tool for the same purpose out of all available tools in Kali linux. IT IS NOTE WORTHY THAT: The time to be consumed for cracking the password depends on the intensity and type of password. A more COMPLEX password will take more time than a simple one. For example, if a file has a password: 12345 and another file has a password: ###123 then the file with the only numerical password will be very easily cracked compared to the other file. To use john for achieving your aim,you have to do the following: Getting hashes of the password from the file. Simply write this into your terminal (change the bold letters to the path): rar2john path_to_your_rar_file path_for_output_file/name.hashes example: rar2john /root/Desktop/abcd.zip /root/Desktop/output.hashes Now, we will use John for cracking this hash file. […]

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HOW TO CREATE WHATSAPP GOUP INVITE LINK

Whatsapp is a very popular app and software that is widely used by the entire global community.It helps people to send messages to friends,well wishers and business associates,thats why a greater percentage of humans on earth use whatsapp. You can open a personal account on whatsapp,you can also create a group account whereby you will have to add numbers of people that belong to the group.Yuo can also create whatsapp group invite link that will be sent to other social media like facebook,any body that clicks the link,will be directed on how to join the group.To create whatsapp group invite link you have to follow the underlisted steps. Open WhatsApp > tap More options New group. Alternatively, tap New chat > New group. Search for or select contacts to add to the group. Then, tap the green arrow. Enter a group subject. This will be the name of the group that all participants will see. The subject limit is 25 characters. You can add emoji […]

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HOW TO DELETE SAVED PASSWORDS IN MOZILLA FIREFOX BROWSER

A  browser is a software program to present and explore content on the world wide we or internet These pieces of content, including pictures, videos, and web pages, are connected using hyperlinks and classified with URLs (Uniform Resource Identifiers).Mozilla firefox is one of the browser on the net and it is very popular. Firefox usually save your passwords whenever you are browsing with it In the long run, it can leave you vulnerable to a whole host of attacks. In this post, we show you exactly how to view, change, or totally delete your saved passwords in Firefox. How to view saved passwords on Firefox Open Firefox, click Menu and select Preferences. From the left panel, select Privacy & Security. Scroll to Logins & Passwords, then click Saved Logins. Click Show Passwords. All the saved passwords will show and you have to delete the passwords in order keep your information safe. How to delete saved passwords on Firefox In Firefox, click the Menu button, then select Preferences. Select Privacy & Security on the left pane. Scroll down to Logins and Passwords and […]

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HOW TO DESIGN A DATA DRIVEN WEBSITE WITH DREAMWEAVER CS6

Dreamweaver is a popular and well-known web editor or web design software used by both experienced and inexperienced webmasters to design websites. It uses what is known as a “WYSIWYG” interface (where “WYSIWYG” stands for “What You See Is What You Get”), meaning that you can create your website visually and see the results on your computer monitor as you work. Things You Need Install Dreamweaver cs6 A testing server eg Xampp server or Wamp server A webhost for hosting your website. Click on Xampp server,click on explorer,click on htdocs and create a folder in the name of your site. After getting all these things ready,you then do the following: 1.Click on dream weaver 2.Go to dreamweaver sites 3.Name your site 4. On the http side,use localhost/the name of your site 5.Click use server technology,select php mysql 6.On the ftp,choose local network 7. On the server folder,choose localhost/the name of your site 8. On the web url choose your site […]

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NETWORK MANAGEMENT AND MONITORING TOOLS

What Is Network Management? Network management refers to the processes, tools and applications used to administer, operate and maintain a network infrastructure. Performance management and fault analysis are also included in network management. To put it simply, network management is the process of keeping your network healthy, which keeps your business healthy. What Are the Components of Network Management? The definition of network management is often broad, as network management involves several different components. Here are some of the terms you’ll often hear when network management or network management software is talked about: Network administration Network maintenance Network operation Network provisioning Network security Why Is Network Management important? The whole point of IT network management is to keep the network infrastructure and network management system running smoothly and efficiently. Network management helps you: Avoid costly network disruptions Improve IT productivity Improve network security Gain a holistic view of network performance THE FOLLOWING ARE THE NETWORK MANAGEMENT TOOLS OP5 Monitor OP5 Monitor is […]

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IMPORTANCE OF SPREAD SHEET APPLICATION IN DATA MANAGEMENT

A spreadsheet is a sheet of paper that shows accounting or other data in rows and columns; a spreadsheet is also a computer application programme that simulates a physical spreadsheet by capturing, displaying, and manipulating data arranged in rows and columns. In a spreadsheet, spaces that hold items of data are called cells. Each cell is labeled according to its placement (for example, A1, A2, A3…) and may have an absolute or relative reference to the cells around it. A spreadsheet is generally designed to hold numerical data and short text strings. Spreadsheets usually provide the ability to portray data relationships graphically. Spreadsheets generally do not offer the ability to structure and label data items as fully as a database and usually do not offer the ability to query the database. In general, a spreadsheet is a much simpler program than a database program. Spreadsheets are an essential business and accounting tool. They can vary in complexity and can be used for various reasons, […]

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HOW TO DEFRAGMENT YOUR HARD DISK

In my previous post,i told you what is deragmentation and its importance,in this post,i will show you the process of defragmenting your hard drive so as to make your pc work faster. Fragmentation makes your hard disk do extra work that can slow down your computer. Removable storage devices such as USB flash drives can also become fragmented. Disk Defragmenter in Windows rearranges fragmented data so your disks and drives can work more efficiently. Disk Defragmenter runs on a schedule, but you can also analyze and defragment your disks and drives manually. To do this, follow these steps: To defragment your hard disk do the following Open Disk Defragmenter by clicking the Start button . In the search box, type Disk Defragmenter, and then, in the list of results, click Disk Defragmenter. Under Current status, select the disk you want to defragment. To determine if the disk needs to be defragmented or not, click Analyze disk.  If you’re prompted for an administrator password or confirmation, type the […]

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IMPORTANCE OF DISK DEFRAGMENTATION

Introduction I am sure many of you have been told in the past to defrag your hard drives when you have noticed a slow down on your computer. You may have followed the advice and defragged your hard drive, and actually noticed a difference. Have you ever wondered why defragging helps though? This tutorial will discuss what Disk Fragmentation is and how you can optimize your hard drive’s partitions by defragmenting them for better performance. Defragmentation, also known as “defrag” or “defragging” is the process of reorganizing the data stored on the hard drive so that related pieces of data are put back together, all lined up in a continuous fashion.  You could say that defragmentation is like cleaning house for your server or PC, it picks up all of the pieces of data that are spread across your hard drive and puts them back together again. IMPORTANCE OF DISK DEFRAGMENTATION Defragmentation is important,because every computer suffers from the constant […]

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THE DANGERS OF CONNECTING TO A PUBLIC OR FREE WIFI

What is public Wi-Fi? Public Wi-Fi can be defined as any iinternet network found in popular public places like airports, coffee shops, malls, restaurants, and hotels — and it allows you to access the Internet for free. These “hotspots” are so widespread and common that people frequently connect to them without thinking twice. Although it sounds harmless to log on and check your social media account or browse some news articles, everyday activities that require a login — like reading e-mail or checking your bank account — could be risky business on public Wi-Fi. What are the risks? The problem with public Wi-Fi is that by using it you stand the risk of exposing your personal and confidential information to hackers, there are a tremendous number of risks that go along with these networks. While business owners may believe they’re providing a valuable service to their customers, chances are the security on these networks is porous or nonexistent. OTHER RISKS […]

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DIFFERENCES BETWEEN SYSTEM SOFTWARE AND APPLICATION SOFTWARE.

What is System Software? System Software is a set of programs that control and manage the operations of computer hardware. It also helps application programs to execute perfectly System Software are designed to control the operation and extend the processing functionalities of a computer system. System software makes the operation of a computer more fast, effective, and secure. Example: Operating system, programming language, Communication software,calculators,calendars,recycle bin What is an application software? Application software is a type of computer program that performs a specific personal, educational, and business function. Each program is designed to assist the user with a particular process, which may be related to productivity, creativity, or communication. Examples of Application Software The most common application software programs are used by millions every day and include: Microsoft suite of products (Office, Excel, Word, PowerPoint, Outlook, etc.) Internet browsers like Firefox, Safari, and Chrome Mobile pieces of software such as Pandora (for music appreciation), Skype (for real-time online communication), and Slack (for team […]

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STEPS TO INCREASE YOUR WIFI SPEED

It is often said that internet is key, this implies that the internet is the eye with which we see the world of endless possibilities,if have a slow internet connection,the following tips will help you to have a strong signal wifi.  1.Get a signal booster A signal booster is a component used to increase the speed of your modem or router. High-gain antennas send stronger signals than those that come with the router. This can boost you Wi-Fi range and strength. 2.Keep your router away from electronic devices Most people keep their routers near the television or telephone, but this inhibits the signal. It’s best to set your router apart from other electronic devices, such as fairy lights, speakers, TVs, monitors and AC power cords. 3.Position your router in the perfect spot The best place for a router is somewhere in the centre of the home, and on a table or shelf rather than the floor. Having the router in […]

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TIPS ON HOW TO BOOST YOUR ANDROID PHONE BATTERY LIFE

If you desire to preserve the battery life of your android phone the following tips are to be considered. Reduce The Brightness Of Your Screen. Smartphone screens look great these days, but unsurprisingly, crisp resolution and bountiful pixels are battery hogs. You probably don’t need your device turned up to the highest setting. Go into your display settings and turn down the brightness on the screen; your eyes and battery will thank you. You should also consider disabling auto brightness, which adjusts based on your perceived needs but can also raise the brightness of your display higher than it needs to be. You can even change how long your screen remains active. Under the display settings on your phone, set it to fade to black after a few seconds. And head into the notifications settings to disable notifications from specific apps, so your phone doesn’t light up every time a new alert comes in. Turn On Power Saving Mode Think […]

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15 MOST USEFUL WEBSITES FOR STUDENTS

Obviously, without the Internet, life would be boring You might love the Internet as a way to relax, but there’s also a lot that it can do to help you improve your study habits and make you more successful. and productive. The following list contains the top useful websites to enable you to get organized, develop new skills, and plan for the future. 1.Amazon Textbooks On Amazon Textbooks, you can rent, sell and buy textbooks. But in case you weren’t happy with the books, you can return them within 30 days for a refund. You can also trade your used textbooks for an Amazon gift card. Additionally, by shopping on Amazon Textbooks, you can enjoy Free Two-Day Shipping on millions of items, including cheap college textbooks, when you join Prime Student.  2.StudentsRate StudentsRate is a small business aimed to help student spend wisely. They offer textbooks, beauty products, computer, gadgets and a lot more. In fact, it is a search engine that lets […]

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HOW TO USE THE NETSTAT COMMAND AND TROUBLESHOOT WINDOWS.

Netstat is derived from the words network and statistics it is a program that is controlled via commands issued in the command line. It delivers basic statistics on all network activities and informs users on which ports and addresses the corresponding connections (TCP, UDP) are running and which ports are open for tasks. In 1983, netstat was first implemented into the Unix derivative BSD (Berkley Software Distribution), whose version 4.2 supported the first internet protocol family, TCP/IP. netstat has been integrated into Linux since its debut in 1991 and has been present in Windows since the appearance of version 3.11 (1993), which could also communicate via TCP/IP with the help of extensions. While the parameters of netstat’s commands (as well as their outputs) differ from system to system, when it comes to their functions, the various implementations are very similar. Essentially, netstat is a command line program and for this reason doesn’t feature a graphical user interface. Programs like TCP VIEW, which was developed by the Microsoft division Windows Sysinternals, makes it possible […]

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HOW TO MASTER DIGITAL PHOTOGRAPHY.

What is digital photography?  How does it work? According to Wikipedia, digital photography is a form of photography that uses cameras containing arrays of electronic photodetectors to capture images focused by a lens, as opposed to an exposure on photographic film.  The captured images are digitized and stored as a computer fil read for further digital processing, viewing digital publishing or printing.” So digital photography is merely the digital process by which an image is captured.  But the elements of photography and achieving an exposure are the same.  A digital camera still relies on shutter speed, aperture, and ISO to create an exposure, the same as in film photography. Digital photography is also the process of using electronic and computing appliances to capture, create, edit and share digital images/photographs. It encompasses several different technologies to provide electronic or computer-based photography services. It is mainly used as a means to create, publish or use digital photographs on computers and/or the Internet. The benefits […]

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HOW TO DISCOVER THE GENERATION OF INTEL CORE PROCESSOR COMPUTERS.

How to Find the Generation of Intel® Core™ Processor  It is important to know the generation of a laptop or desktop that you wants to buy,this will help you to make the right choices while purchasing,older generation computers,have been discontinued so,there is need to buy new generation laptops or desktops. In Intel® Core™ Processors, the generation of the processor is the first number after i9, i7, i5, or i3. Here are some examples: 11th Gen examples Intel® Core™ Processor i7-1165G7 because 11 number is listed after i7 Intel® Core™ Processor i5-1130G7 because number 11 is listed after i5 10th Gen examples Intel® Core™ Processor i7-1065G7 because number 10 is listed after i7 Intel® Core™ Processor i5-10210U because 10 number is listed after i5 9th Gen example Intel® Core™ Processor i9-9900K Processor is 9th generation because number 9 is listed after i9. 8th Gen examples Intel® Core™ Processor i7-8650U Processor is 8th generation because the number 8 is listed after i7. Intel® Core™ Processor i5-8600 Processor is 8th generation because the number 8 is listed after i5. 7th Gen examples Intel® Core™ Processor […]

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HOW TO DESIGN A CERTIFICATE IN COREL DRAW.

The fastest way to create a professional-looking Certificate (or any vector graphic) in CorelDRAW is: Visit www.freepik.com Search for “certificate” (in your case) You can download any template free of cost for personal and commercial use (with proper credit/attribution) The downloaded file will mostly contain .AI and .EPS file, which can be opened in CorelDraw (prefer .ai file for proper editing) Change the content or colors and you’re done! Try this method, you will love it! And purchase premium membership of Freepik if you can afford, they do a really fabulous work. Thanks. Please do well by droping your comment below. Hits: 4

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TOP BEST VPN IN 2020

VPN stands for ‘virtual private network’ and is a piece of software that that helps to make you more anonymous online, encrypts your internet use, and lets you effectively trick your laptop or mobile device into thinking it’s in another location. That means by choosing the best VPN service out there, you equip your laptop, PC, mobile – even your games console – with a game-changing bit of software. For many, downloading a VPN service will be all about privacy. You may want to use them to help keep your online life completely safe from hackers – especially now that so many of us are working or being educated at home. Maybe you’re a keen torrenter and you don’t want your ISP to know. Or perhaps its the prying eyes of your government that you want to avoid. For many of us, working remotely has become the new norm — which means remote VPN access is more essential than ever for maximizing […]

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HOW TO RESET YOUR WORDPRESS PASSWORD FROM CPANEL

If you forgot your wordpress password and you want to reset it just read through this article and it will be done successfully. Cpanel Softaculous Password Reset Log into cPanel. Scroll down to the Software section and click on the Softaculous Apps Installer. On the main page of Softaculous, click on Installations or, in the upper right-hand corner, click on the Box icon within the navigation bar to show the list of Scripts Installations. Under Link, find the domain for which you need to reset the password. On the right-hand side of the row, click the Pencil icon to load the Installation Details. Go to the Admin Account section on the Installation Details page. Enter the Admin Username for which you want to change the password. Enter the new Admin Password.  Scroll down to the bottom of the page, and click on Save Installation Details.   And thats all. Drop your comment. Hits: 0

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Remote Desktop Protocol (RDP) And Its Benefits

Remote desktop protocol (RDP) is a secure network communications protocol from Microsoft. RDP is designed for remote management, remote access to virtual desktops, applications and an RDP terminal server.  RDP allows network administrators to remotely diagnose and resolve problems that individual users encounter.  To use RDP, network administrators would use RDP client software, and the individual users would use RDP server software.  RDP works by providing users with a graphical interface, that allows them to connect to another computer remotely.  RDP works with multiple different types of network technologies. RDP is available for most versions of the Windows operating system. RDP for Apple macOS is also an option. An open source version is available, as well.  RDP is an extension of the ITU-T T 128 application sharing protocol. Remote access is an efficient and comfortable way for corporate IT personnel to remotely connect to computer interfaces to install and configure software, uninstall software, troubleshoot issues, etc. Generally, it is widely used in the corporates due to the reason that it […]

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HOW TO FIX WIFI CONNECTIVITY PROBLEMS IN WINDOWS OS

Are you finding it hard to login, and check your email, browse the web, or stream music, chances are that you’re not connected to your network and can’t get onto the internet. To fix the problem, here are some things you can try. Try these things first to help you fix or narrow down the connection problem. Make sure Wi‑Fi is turned on. Select the “No internet connection” icon   on the right side of the taskbar, and make sure Wi-Fi is turned on. If it isn’t, select it to turn it on. Also, make sure Airplane mode is turned off. Afterwards, see if a Wi-Fi network you recognize and trust appears in the list of networks. If it does, select the Wi-Fi network, and they try to connect to it. If it says Connected underneath the network name, select Disconnect, wait a moment, and then select Connect again. Try connecting to a network on a different frequency band. Many consumer Wi-Fi routers broadcast at two different network frequency […]

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BEST FREE AND PAID ONLINE ENCYCLOPEDIAS

Encyclopedias are resources that helps students and researchers to do their work without much difficulties,project papers,seminars,workshops books are compiled and published with the information gathered from online and offline encyclopedias.The following are the list of online encyclopedias. Wikipedia Wikipedia is one of the most popular sites in the world, but it is not without problems. Anybody can write and edit Wikipedia entries. This means that you can’t always count on the site for factual information. You also can’t cite Wikipedia as a source for most student research papers. Nevertheless, Wikipedia is worth visiting because it is free and it can lead you to more valuable and reliable sources of information. Scholarpedia The Scholarpedia site is similar in format to Wikipedia, but it is a much better free resource for research papers. All of the entries have been written and approved by an actual scholar, which means you won’t have a problem when it comes time to cite sources. Featured encyclopedias […]

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HOW TO EDIT PICTURE AND REMOVE UNWANTED BACKGROUND

Do you have unwanted images and back ground on your photos and pictures and it is your desire to get rid of them,this article will guide you on how to totally eliminate unwanted images and backgroung from all your photos and pictures. Frustrated by nasty background images back and forth and spoiling the best shots? Take them away from your photos with Inpaint! With few simple gestures you will get clear, spectacular pictures, just like you intended them to be. Inpaint allows you to select unnecessary objects or persons on a photo in literally seconds, so all you have to do then is to let Inpaint do the rest. Aside from the information you truly want to see on your photographs, there are also many not so crucial for composition if not worse. These are camera date stamps, watermarks placed by various websites, and other objects we don’t want to be on a picture. After all, if you gonna hang […]

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HOW TO INCREASE YOUR INSTAGRAM FOLLOWERS

To get more followers on Instagram do the following things: A.Create a custom or dedicated hashtag that includes your business name or a catchy phrase. B.Promote your dedicated hashtag on your other social profiles, on your website, and your email blast. C.Use industry-specific hashtags to ensure you gain a relevant following D.Get creative with your hashtags. Be funny, ironic, or outrageous – but never boring! E.Use event hashtags at seminars, conferences, annual events, and even local events. F.Watch topically relevant and trending hashtags. Join these conversations to get in front of more people. G.Use your bio link to drive traffic to your newest or most popular content. H.Write descriptive captions. Storytelling will help generate engagement and sharing. I.Interact with top influencers in your space and try to become one of their favorite people or brands. J.Don’t want a tagged photo of you or your brand on your profile? Edit Tags to hide images from your profile. K.Adjust your settings so […]

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IMPORTANT MICROSOFT POWERPOINT KEYBOARD SHORT CUTS.

Keyboard short cuts helps to make our work easy and fast especially when we are typing and we desire to meet our target.,our focus in this article is on microsoft powerpoint and includes the following versions Microsoft office 2003,2007,20010,2013,and 2016. Go to “Tell me what you want to do” Alt + Q Zoom Alt + W, Q, Tab to value you want Switch between outline and thumbnail pane Ctrl + Shift + Tab Move to next placeholder (if on slide’s last placeholder, this inserts a new slide) Ctrl + Enter Insert a new slide Ctrl + M Duplicate the current side Ctrl + D Increase font size Ctrl + Shift + > Decrease font size Ctrl + Shift + < Display the font dialog box Ctrl + T or Ctrl + Shift + F Change case Shift + F3 Apply superscript formatting Ctrl + Equal sign Apply subscript formatting Ctrl + Shift + Plus sign Remove manual character formatting Ctrl […]

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HOW TO EASILY REACH THOUSANDS OF FACEBOOK USERS WITHOUT PAYING.

Facebook is a large website through which you can reach thousands of of users without paying anything.For you to achieve thatm, you need to apply the following principles. Encourage Likes & SharesThe way Facebook algorithm works, the more liked and commented on your Facebook post is the more eyeballs it will reach. One easy way to get something important out is to encourage your fans to like it or share it with their network. You can only do that with really great content. If the content is good, people will like it.  Embed Your PostsIt is likely that your audience is hanging out all over the web and not only on Facebook. You can extend the reach of your Facebook post by embedding that post on your blog. This will get your Facebook posts in front of your website viewers and allow them to interact with your facebook content outside facebook.  Create Awesome ContentThis is the first and foremost thing […]

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21st Century Digital Marketing Strategies

What is Digital Marketing? As the name suggest, digital marketing is marketing done in the digital space with the goal of influencing brand engagement. Digital marketing uses an array of digital devices, such as laptops, phones and tablets as platforms to reach their desired audience. Digital marketing strategies can include email marketing, social media marketing, pay per click, display advertising, blogs and Search Engine Optimization (SEO). In the digital age, the way we consume media (and therefore advertising and marketing) has changed, thanks largely to the internet, and this means new opportunities to promote your products. Below are three 21st century marketing tactics to get your business noticed… 1.SEO Strategies If implemented correctly, SEO strategies can have a positive impact on Search Engine Results Page (SERP), which in turn will help users find your website with ease. Below listed are some of the core concepts you can implement for SEO… Keyword Research is an essential element of SEO tactics that lets you know how […]

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STEPS TO PREVENT DATA LEAKAGES IN AN ORGANIZATION

Safeguarding the data in an organization is the primary responsibility of the IT department. The story still strikes fearful into the hearts of IT departments: As many as 70 million credit- and debit card accounts were compromised in less than a month during the Target data breach. While Target’s internal security team was using all of the right protocols, it was an external contractor who ultimately provided the way in. No matter how locked down an IT department is, most breaches occur when a third-party provider is involved, allowing the leakage of critical data such as passwords or IP. Any business running multiple cloud-based apps—and today, that’s most of us—runs a high risk of exposure through data leakage. Here are some ways to keep data protected, and secure every year. . Know where your sensitive data resides The first step towards preventing data leakage is to identify your sensitive data and where it is residing in your critical systems. Once […]

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SYMPTOMS OF A VIRUS INFECTED COMPUTER

Your computer could be infected when you notice strange behaviours, viruses are malicious software – known as malwares – that can destroy files, steal personal information and damage your computer.  Here are the top and common signs your PC is infected by a virus. A. Unexpected pop-up in windows Unexpected onscreen ads are a typical sign of a virus infection. Not only are they annoying, other malware may lurk inside poised to wreck further havoc.  Never click on a suspicious pop-up – even if it says ‘a virus was detected’. This is an example of rogueware, which asks you to pay for a program to remove a fake virus but may in fact allow even more malware to be downloaded. B. Slow boot up and slow performance If your PC is taking longer than normal to start or programs are taking ages to open, then your PC may have a virus.  If your computer’s performance is sluggish, check first that […]

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TIPS ON HOW TO SUCCEED IN AFFILIATE MARKETING

Set a proper and realistic expectations You should not expect to make a million dollars in a day or a month. You need to set realistic expectations. Many affiliates spend a set amount of time to build out their original sites then commit to a smaller amount to keep adding content while starting a new site. Whether you have a single site with concentrated ongoing development or a number of initially smaller sites, set goals and work towards accomplishing the goals Dedicate adequate time To become successful you need to put the time in. Affiliate marketing requires an ongoing effort, so be prepared and allocate regular time for your efforts. Always test and make improvement Try always to improve your process. Test length, use of schema, different art, and other factors. Affiliate marketing, like any learning process, is an ongoing effort. While many of the steps above can be implemented at the start, you want to learn and improve as […]

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TOP 3 COMPUTER FOUNDATIONAL SOFTWARES

Af far as computer is concerned,there are some softwares that are refered to as foundational softwares.They are called so because other softwares depend on them to function effectively. The softwares are as follows: Microsoft.net framework 2.Microsoft Visual c++ 3.Java Runtime Environment These softwares are very important to the extent that,programmers who use testing servers for their new websites depend on these softwares to run their servers. Drop your comment. Hits: 15

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