Computer Repairs,Security And General Ict Solution Blog
A definition of IPv4 Internet Protocol version 4 (IPv4) is the fourth edition of the Internet Protocol. It is a system of identifying individual computers and digital devices on the Internet by assigning each one with a unique address. IPv4 address consists of a set of four numbers separated by a period character (“.”), often referred…
DEFINITION OF A SUPER COMPUTER A supercomputer is a computer with a high level of performance as compared to a general-purpose computer. The performance of a supercomputer is commonly measured in floating-point operations per second instead of million instructions per second. Since 2017, there are supercomputers which can perform over 10¹⁷ FLOPS. A supercomputer is a computer…
H.323 is a Recommendation from the ITU Telecommunication Standardization Sector that defines the protocols to provide audio-visual communication sessions on any packet network H. 323 provides standards for equipment, computers and services for multimedia communication across packet based networks and specifies transmission protocols for real-time video, audio and data details. H. 323 is widely used in IP based videoconferencing, Voice…
Introduction TCP, which stands for Transmission Control Protocol, is a fundamental protocol in the realm of computer networking. It plays a crucial role in enabling reliable and efficient communication between devices over the internet. Developed in the 1970s, TCP provides a robust and standardized method for transmitting data packets across networks, ensuring their accurate delivery…
(Internet Assigned Numbers Authority, www.iana.org) An operating unit of the Internet Corporation for Assigned Names and Numbers (ICANN) that maintains the top-level domain, IP address and protocol number databases. The word “authority” means that IANA keeps authoritative records, but it has no jurisdiction over Internet activity and does not resolve address conflicts. IANA coordinates all…
A password is a set of secret characters or words used to authenticate access to a digital system. Passwords help ensure that computers or data can only be accessed by those who were granted the right to view or access them. A password is also a string of characters used to verify the identity of a user…
A network bridge is a computer networking device that creates a single, aggregate network from multiple communication networks or network segments. This function is called network bridging. Bridging is distinct from routing Uses of network Bridges Bridges connects two or more different LANs that has a similar protocol and provides communication between the devices (nodes) in them….
The JDK is a key platform component for building Java applications. At its heart is the Java compiler The Java Development Kit (JDK) is one of three core technology packages used in Java programming, along with the JVM (Java Virtual Machine) and the JRE (Java Runtime Environment). It’s important to differentiate between these three technologies,…
Password protection is a method that allows you to protect your data set by assigning it a password. which another user cannot read,access change, or delete your data set is therefore secure. What is file folder encryption? Filesystem-level encryption, often called file-based encryption, FBE, or file/folder encryption, is a form of disk encryption where individual files or directories are encrypted by the file system itself. To password…
Definition A wireless network adapter is a computer hardware component device designed to enable computers to communicate wirelessly over a network. Wireless adapters are electronic devices that allow computers to connect to the Internet and to other computers without using wires. They send data via radio waves to routers that pass it on to broadband modems…
DEFINITION The term web server can refer to hardware or software, or both of them working together. On the hardware side, a web server is a computer that stores web server software and a website’s component files. (for example, HTML documents, images, CSS stylesheets, and JavaScript files) A web server connects to the Internet and supports physical…
Introduction In today’s interconnected world, network gateways play a crucial role in facilitating communication and data exchange between networks. As organizations increasingly rely on complex network infrastructures, understanding and analyzing network gateways have become essential for optimizing network performance, ensuring security, and simplifying network management. This article provides an in-depth exploration of network gateway analysis,…
Handshaking Defined Handshaking is an automated process that sets parameters for communication between two different devices before normal communication begins. Much like the way a human handshake sets the stage for the communication to follow, the computing handshake provides both devices with the basic rules for the way data is to be shared between them….
What is Cyber Security? 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…
Hiren’s Boot CD: What it is and Why You Need it Hiren’s Boot CD is a Windows rescue utility that boots from CD or USB. It’s a must-have for your PC repair kit for when Windows won’t boot. Hiren’s Boot CD is an all-in-one bootable rescue disc solution that contains a load of useful Windows repair tools you’ll want to have when you…
You can monitor the performance of your hard disk with hard disk sentinel. It is the best software to monitor the performance of your HDD. Hard Disk Sentinel (HDSentinel) is a multi-OS SSD and HDD monitoring and analysis software. Its goal is to find, test, diagnose and repair hard disk drive problems, report and display SSD and HDD health, performance degradations and…
What is a Network? In technology terms, a network is a set of two or more devices, that are connected to each other in some fashion, and can pass information between each other. As mentioned, a network can be as simple as two connected devices. But more often than not, there are hundreds or thousands of connected…
End-to-end encryption or data security is intended to prevent data being read or secretly modified, other than by the true sender and recipient(s). The messages are encrypted by the sender but the third party does not have a means to decrypt them, and stores them encrypted. End-to-end encryption is a secure line of communication that blocks third-party users…
Definition Of A Router A router is a networking device that receives and sends data on computer networks. Routers are sometimes confused with network hubs, modems, or network switches. However, routers can combine the functions of these components, and connect with these devices, to improve Internet access or help create business networks. How does a router work? Routers guide and direct network data, using…
DEFINITION OF A ROUTER A router is hardware device designed to receive, analyze and move incoming packets to another network It may also be used to convert the packets to another network interface, drop them, and perform other actions relating to a network. The picture shows the Linksys BEFSR11 wireless router and is what many home routers resemble. FIRMWARE DEFINITION Firmware is a software program…
Computer security, the protection of computer systems and information from harm, theft, and unauthorized use Computer security, cybersecurity or information technology security is the protection of computer systems and networks from the theft of or damage to their hardware, software, or electronic data, as well as from the disruption or misdirection of the services they provide. There are several types…
IP address definition An IP address is a unique address that identifies a device on the internet or a local network. IP stands for “Internet Protocol,” which is the set of rules governing the format of data sent via the internet or local network. In essence, IP addresses are the identifier that allows information to…
Error-detecting codes are a sequence of numbers generated by specific procedures for detecting errors in data that has been transmitted over computer networks. When bits are transmitted over the computer network, they are subject to get corrupted due to interference and network problems. The corrupted bits leads to spurious data being received by the receiver…
In a nutshell, web hosting is the process of renting or buying space to house a website on the World Wide Web. Website content such as HTML, CSS, and images has to be housed on a server to be viewable online. When a hosting provider allocates space on a web server for a website to store its…
WHAT IS NETWORK INTERFACE CARD? A network interface card (NIC) is a hardware component without which a computer cannot be connected over a network. It is a circuit board installed in a computer that provides a dedicated network connection to the computer. It is also called network interface controller, network adapter or LAN adapter. A network interface controller is a computer hardware component that…
What Is Network Topology? Network topology refers to how various nodes, devices, and connections on your network are physically or logically arranged in relation to each other. Think of your network as a city, and the topology as the road map. Just as there are many ways to arrange and maintain a city—such as making…
To help you troubleshoot common PC problems yourself, I have listed most common PC hardware problems and solutions if you face any of them. 1.Dysfunctional USB Port If your USB port stops working, it’s not necessary that it’s broken. Below are some solutions that can fix this issue: Method 1: Restart the PC Restarting the PC is…
Hiren’s Boot CD is a Windows rescue utility that boots from CD or USB. … Hiren’s Boot CD is an all-in-one bootable rescue disc solution that contains a load of useful Windows repair tools you’ll want to have when you can no longer boot into your PC. Imagine issues like hard drive failure, virus infections, partitioning, password recovery, and data recovery. Hiren’s Boot CD…
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…
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. What is the use of computer in robotics? Robotics is the use of computer-controlled…
Some number of short beeps that are sounded by the BIOS upon startup when a memory, cache or processor error is encountered. There are numerous beep code patterns, and Phoenix BIOS codes are long and short beeps delivered in groups. The following beep codes are for AMI BIOSs. There are additional beep codes for this…
The underlisted rules will help kep your computer running successfully Handle data appropriately You must be aware that you have special responsibilities when handling sensitive data electronically (e.g. electronic data containing social security numbers, PINs, CU ID numbers, passwords of any nature, health, medical and psychological records, police records, and/or final grades). Employees responsible for…
Checking Connectivity with the PING Command As you might know, a submarine can detect a nearby object by using sonar to send out a sound wave and then seeing whether the wave is reflected. This is called pinging an object. Windows Vista has a PING command that performs a similar function. PING sends out a…
What is definition of security? Security is the quality or state of being secure: such as. a : freedom from danger : safety. b : freedom from fear or anxiety. c : freedom from the prospect of being laid off job security. TYPES OF SECURITY What is Management Security? Management security is the overall design of your controls….
Sites For Free Online Education helps you to learn courses at your comfortable place. The courses of these websites are offered by top universities. You can learn a specific subject without much investment. These websites offer many audio, video, articles, and e-books to increase your knowledge. The platforms enable you to learn the best free…
Introduction Relational Database Management System (RDBMS) is a fundamental component in modern information systems, enabling efficient storage, organization, and retrieval of structured data. This article explores the case study of RDBMS, delving into its key components, benefits, and challenges, while also providing best practices for successful implementation. By examining real-world examples of RDBMS adoption in…
What Is A Web Application Firewall? 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…
Windows Update is a free Microsoft service that’s used to provide updates like service packs and patches for the Windows operating system and other Microsoft software. Windows Update can also be used to update drivers for popular hardware devices. Patches and other security updates are routinely released through Windows Update regularly. for urgent fixes. What Is Windows Update Used For? Windows Update is used to…
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…
Introduction Biometric clocking systems have revolutionized the way organizations track and manage employee time and attendance. Gone are the days of traditional punch cards or manual sign-in sheets, as biometric clocking systems utilize unique physical or behavioral characteristics to accurately identify individuals. These systems not only enhance security and prevent fraud but also streamline payroll…
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. Why take casein? Casein or whey boldeprime pump efficient or…
WHAT IS WORDPRESS? WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system, referred to within WordPress as Themes WordPress is a website builder and content management system. It is an open source software that anyone can…
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…
What is a Wi-Fi or wireless network vs. a wired network? A wireless network allows devices to stay connected to the network but roam untethered to any wires. Access points amplify Wi-Fi signals, so a device can be far from a router but still be connected to the network. When you connect to a Wi-Fi hotspot at a cafe,…
Hard disk,a Magnetic storage medium for a microcomputer. Hard disks are flat, circular plates made of aluminum or glass and coated with a magnetic material. Hard disks for personal computers can store up to several gigabytes (billions of bytes) of information. Data are stored on their surfaces in concentric tracks. What is the job of a hard disk? A hard drive is the…
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…
WHAT IS COMPUTER NETWORKING? 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…
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…
Whatsapp is a tool more modern business,thus,it is necessary to keep record of your whatsapp chats. Keeping good records is vital for any business. Whether that’s to help manage your costs, whether it’s for legal, regulatory or tax reasons, or simply to help manage and improve your business. Collecting, storing and effectively analysing your data…
DEFINITION OF TELECOMMUNICATION Telecommunications, or telecom, refers to the process of exchanging information such as voice, data and video transmissions via electronic technologies like telephones (wired and wireless), microwave communications, fiber optics, satellites, radio and television broadcasting, and the internet. Six potential media are employed to implement telecommunication links and systems Twisted pair. Coaxial cable….
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…
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…
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…
WHAT IS A SOFTWARE? Software is a collection of instructions and data that tell a computer how to work. This is in contrast to physical hardware, from which the system is built and actually performs the work Software is a set of instructions, data or programs used to operate computers and execute specific tasks. It…
What is a server In computing, a server is a piece of computer hardware or software that provides functionality for other programs or devices, called “clients”. This architecture is called the client–server model. A server is a computer or system that provides resources, data, services, or programs to other computers, known as clients, over a…
What is graphic card in computer? A video card (also called a graphics card, display card, graphics adapter, or display adapter) is an expansion card which generates a feed of output images to a display device (such as a computer monitor). How many types of graphics card do we have? two typesThere are two types of graphics cards: integrated and dedicated. An integrated graphics card, usually by Intel…
Charging issues and problems are the failure of a computer to charge even when it is connected to light.Most often the result of faulty power adapters, non-working power outlets, or bad batteries. If everything checks out okay with the hardware, you can usually fix power issues by updating your laptop’s power or battery management settings. Reasons Why…
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…
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…
WHAT IS WINDOWS OS? Microsoft Windows, commonly referred to as Windows, is a group of several proprietary graphical operating system families, all of which are developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry Editions of Windows Starting with Windows XP, Microsoft has published various editions of Windows….
WHAT ARE COMPUTER DRIVERS? 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…
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. What are PVR features on DStv? It has the following exciting features: Record 150 hours of standard TV or 50 hours of HD…
WHAT IS USB FLASH DRIVE? 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…
WHAT IS A PROJECTOR? 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…
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…
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…
Parental Control Software What does Parental Control Software mean? Parental controls are features which may be included in digital television services, computer and video games, mobile devices and software that allow parents to restrict the access of content to their children Parental control software refers to a wide spectrum of software programs and resources for…
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…
WHAT IS MICROSOFT SQL SERVER? 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….
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. The…
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…
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…
What is Bios? In computing, BIOS is firmware used to perform hardware initialization during the booting process, and to provide runtime services for operating systems and programs. The BIOS firmware comes pre-installed on a personal computer’s system board, and it is the first software to run when powered on. BIOS (basic input/output system) is the program…
What is right protection in memory card? It exists to ensure that you cannot inadvertently write over critical data on your SD card or delete data to make space to write new files. When write–protection is activated, you will be able to read data on the card—only write operations are blocked. Once your USB flash disk, SD card, internal or external hard drive is write–protected, it means that your device…
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…
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,…
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…
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….
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…
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 TYPES OF WEBSITES . eCommerce Website An…
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…
(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…
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…
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…
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…
WHAT IS A COMPUTER PROCESSOR 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…
Introduction In today’s digital age, our reliance on the internet for various tasks and entertainment has become an integral part of our lives. While most people access the internet through traditional means such as computers, smartphones, and tablets, there is another convenient option available – digital satellite decoders. These devices, primarily used for accessing satellite…
WHAT IS COMPUTER HARDWARE 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….
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,…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
WHAT IS DATA PROCESSING? 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…
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…
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…
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…
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…
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…
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,…
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…
WHAT IS A RAR FILE? RAR is a proprietary archive file format that supports data compression, error recovery and file spanning. It was developed in 1993 by Russian software engineer Eugene Roshal and the software is licensed by win. … The name RAR stands for Roshal Archive. A RAR file (short for a Roshal Archive Compressed file) is…
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…