Computer Repairs,Security And General Ict Solution Blog
What is data? Data are units of information, often numeric, that are collected through observation. In a more technical sense, data are a set of values of qualitative or quantitative variables about one or more persons or objects, while a datum is a single value of a single variable. Data is defined as facts or figures,…
A computer monitor is an output device that displays information in pictorial form. A monitor usually comprises the visual display, circuitry, casing, and power supply Originally, computer monitors were used for data processing while television sets were used for entertainment. What is the purpose of a computer monitor? The term “monitor” is often used synonymously with “computer…
Introduction Cyber crime is a rapidly growing and evolving threat that affects individuals, businesses, and governments around the world. As technology advances, so does the sophistication of cyber criminals, making it crucial to develop effective strategies for combating these malicious activities. This article explores the concept of cyber crime analysis and profiling, which involves the…
Internet Marketing Description Digital marketing is the component of marketing that utilizes internet and online based digital technologies such as desktop computers, mobile phones and other digital media and platforms to promote products and services. Digital marketing, also called online marketing, is the promotion of brands to connect with potential customers using the internet and other forms of digital communication….
An operating system is system software that manages computer hardware, software resources, and provides common services for computer programs. 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…
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 What is WordPress? At its core, WordPress is the simplest, most popular way to create your own website…
In computing, a Trojan horse is any malware which misleads users of its true intent. The term is derived from the Ancient Greek story of the deceptive Trojan Horse that led to the fall of the city of Troy. A Trojan or Trojan virus, is a type of malware that is often disguised as legitimate…
What is sniffing and spoofing? Sniffing is the process in which all the data packets passing in the network are monitored. … Sniffers can be hardware or software installed on the system. Spoofing is the process in which an intruder introduces fake traffic and pretends to be someone else (legal source or the legitimate entity. From an information security perspective, sniffing refers…
What is Trojan Killer? Trojan Killer is an anti malware that operates in the field of protecting system from malicious software in order to render security for computer systems. We offer the products that can assist you in removal of annoying advertisement modules, spyware and other malicious instruments developed by hackers.25 Jun 2020 Trojan Killer essentially scans…
Wireless network A wireless network is a computer network that uses wireless data connections between network nodes. Wireless networking is a method by which homes, telecommunications networks and business installations What are the types of wireless network? §Types of Wireless Networks Type Range Standards Personal area network (PAN) Within reach of a person Bluetooth, ZigBee, NFC…
Footprinting (also known as reconnaissance) is the technique used for gathering information about computer systems and the entities they belong to. To get this information, a hacker might use various tools and technologies. This information is very useful to a hacker who is trying to crack a whole system. What is the main objective of footprinting reconnaissance?…
Web application WHAT IS WEB APPLICATION? A web application is application software that runs on a web server, unlike computer-based software programs that are run locally on the operating system of the device. Web applications are accessed by the user through a web browser with an active network connection. A web application also is a software application that can…
SystemRescueCd is a Linux system rescue disk available as a bootable CD-ROM or USB stick for administrating or repairing your system and data after a crash. It aims to provide an easy way to carry out admin tasks on your computer, such as creating and editing the hard disk partitions. It comes with a lot…
Microsoft visual c++ is a foundational software because without it ,java and microsoft.net frame work,some other softwares can not fuction for instance,if you are a programmer,before your testing server like Wamp and Xampp can work these foundational softwares would have been installed. Microsoft Visual C++ is a compiler from Microsoft for the C, C++, and…
Biometric Machine Definition A biometric device is a security identification and authentication device. Such devices use automated methods of verifying or recognising the identity of a living person based on a physiological or behavioral characteristic. These characteristics include fingerprints, facial images, iris and voice recognition. FEATURES OF BIOMETRIC MACHINES With the push to a digital…
Social engineering Definition In the context of information security, social engineering is the psychological manipulation of people into performing actions or divulging confidential information. This differs from social engineering within the social sciences, which does not concern the divulging of confidential information Social engineering is also the art of manipulating people so they give up confidential…
Organizations today rely heavily on data for predicting trends, forecasting the market, planning for future requirements, understanding consumers, and business decision-making. But to accomplish these tasks, it is essential to get fast access to enterprise data in one place. This is where data ingestion comes handy. It enables extraction of information from disparate sources so…
What Is Mp3? MP3 is a coding format for digital audio developed largely by the Fraunhofer Society in Germany, with support from other digital scientists in the US and elsewhere An MP3 file is an audio file that uses a compression algorithm to reduce the overall file size. It’s known as a “lossy” format because that compression…
IP address Definition An Internet Protocol address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. An IP address serves two main functions: host or network interface identification and location addressing. IP address stands for internet protocol address; it is an identifying number that is associated with a…
In order to connect to the Internet, you need to use an Internet service. Internet service provides a way for data to be transferred from Internet servers to your computer. An Internet service provider is a company that provides access to the Internet. Most ISPs require you to subscribe in order to use their services,…
Database Description What is Data? In simple words, data can be facts related to any object in consideration. For example, your name, age, height, weight, etc. are some data related to you. A picture, image, file, pdf, etc. can also be considered data. A database is an organized collection of data, generally stored and accessed…
What is serato DJ pro software? From the unknown to the greatest, Serato DJ Pro is the most popular DJ software globally. When you’re talking about Hip-Hop, Dance, and everything in between, you’re looking at the standard. What is serato used for? Serato produces software used in digital music mixing, including digital vinyl record mixing for DVS records. Serato also produces software for DJ…
Computer maintenance Computer maintenance is the practice of keeping computers in a good state of repair. A computer containing accumulated dust and debris may not run properly. Dust and debris will accumulate as a result of air cooling. Any filters used to mitigate this need regular service and changes Computer maintenance tasks include reviewing the computer’s performance, ensuring…
Computer fan Definition A computer fan is any fan inside, or attached to, a computer case used for active cooling. Fans are used to draw cooler air into the case from the outside, expel warm air from inside and move air across a heat sink to cool a particular component. Both axial and sometimes centrifugal…
Definition The Intel HD Graphics Driver is the latest driver release for Intel HD Graphics drivers running on Windows. The drivers supports HD graphics on Intel Core i3, Core i5, Core i7, various Pentium and Celeron processors. … If not already installed, this driver will add the Intel Graphics Command Center to the system. Intel is the manufacturer of that particular graphics card. The term “integrated” graphics means that the GPU is embedded on the same…
What is EasyWorship? EasyWorship is a powerful, yet simple church presentation software. Build your entire church service – song lyrics, Scriptures, announcements, videos and sermon notes – in one place, quickly and efficiently. Easy Worship 2009 Features Slide Editor Create slides from scratch for songs, announcements or custom textText is auto-resized as you type for optimal on-screen readabilityControl global…
An error describes any issue that arises unexpectedly that cause a computer to not function properly. Computers can encounter either software errors or hardware errors. There are several types of errors and each have hundreds of variations. To fix a computer error, you must first identify the type of error and the source. Software errors are the most…
BITCOIN DEFINITION Bitcoin is a new currency that was created in 2009 by an unknown person using the alias Satoshi Nakamoto. Transactions are made with no middle men – meaning, no banks! Bitcoin can be used to book hotels on Expedia, shop for furniture on Overstock and buy Xbox games. But much of the hype is about…
What is penetration testing A penetration test, also known as a pen test, is a simulated cyber attack against your computer system to check for exploitable vulnerabilities. In the context of web application security, penetration testing is commonly used to augment a Web application firewall (WAF) Pen testing can involve the attempted breaching of any number…
What Is Network Routing Routing is the process of selecting a path for traffic in a network or between or across multiple networks. … Packet forwarding is the transit of network packets from one network interface to another. Intermediate nodes are typically network hardware devices such as routers, gateways, firewalls, or switches. Routing is a process which is performed by layer 3 (or network layer) devices…
Telnet is a protocol that allows you to connect to remote computers (called hosts) over a TCP/IP network (such as the internet). Using telnet client software on your computer, you can make a connection to a telnet server (that is, the remote host). Once your telnet client establishes a connection to the remote host, your client becomes a…
What is WhatsApp marketing software? Whatsender is one of the most user-friendly Whatsapp marketing tools that allows you to send bulk messages to potential clients. The tool also gives an option to attach images, videos, and text messages. WhatsApp Messenger doesn’t support sending unsolicited messages. WhatSender Profile is a WhatsApp marketing software that can be used for sending messages to…
A security camera is a video recording device that captures footage of your home and property that you can view on a smartphone, tablet, or computer from anywhere using an internet connection. Most security cameras are motion-activated and will record when they detect motion, as well as send you an alert.Some can record 24/7, which is known…
What is troubleshooting? What is troubleshooting in Windows 10? Starting with the May 2019 Update, Recommended Troubleshooting is a feature that uses diagnostic data to detect and apply fixes for many common problems automatically. Windows includes a variety of “troubleshooters” designed to quickly diagnose and automatically solve various computer problems. Troubleshooters can’t fix everything, but they’re a…
Wat Is A Computer Network A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes. A network consists of two or more computers that are linked in order to share resources (such…
DEFINITIONS OF PROCESSOR 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 The processor, also known as the CPU, provides the instructions and processing power the computer needs to do its work. The more powerful and updated…
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 can no longer boot into…
Definition – What does File Transfer mean? File transfer is the process of copying or moving a file from one computer to another over a network or Internet connection. It enables sharing, transferring or transmitting a file or a logical data object between different users and/or computers both locally and remotely. File Transfer A file transfer can…
Knowing where to look for the full version of the paid software can save you a significant amount of money. What is a software? Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system. The term was coined to differentiate these instructions from hardware—i.e., the physical components of…
What is Android studio? Android Studio is the official Integrated Development Environment (IDE) for Android app development, based on IntelliJ IDEA . … A unified environment where you can develop for all Android devices. Apply Changes to push code and resource changes to your running app without restarting your app. FEATURES OF ANDROID STUDION Code and iterate faster than ever …
WHAT IS A COMPUTER MOUSE? A computer mouse is a handheld hardware IMPUT that controls a cursor in a GUI (graphical user interface) and can move and select text,icon.files and FOLDERS on your computer. For desktop computers, the mouse is placed on a flat surface (e.g., mouse pad or desk) in front of your computer. The picture is an example of a Logitech desktop computer mouse with two…
WHAT ARE COMPUTER SECURITY THREATS Computer security threaths can be defined as negative online activities which aims at gaining unauthorized access into computer systems with the sole aim of stealing sensitive and confidential information from company’s and individual websites to the benefit of the online thief. These online thieves are called hackers. What are the…
What is a computer operating system? An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. Nearly every computer program requires an operating system to function. The two most common operating systems are Microsoft Windows and Apple’s macOS. An Operating System (OS) is a software that acts as an interface between computer…
What Is CPU? Central Process Unit The computer’s central processing unit (CPU) is the portion of a computer that retrieves and executes instructions. The CPU is essentially the brain of a CAD system. It consists of an arithmetic and logic unit (ALU), a control unit, and various registers. The CPU is often simply referred to as the…
DNS is that network address that translates the website name to its internet address. … Most often it causes for not getting the internet connection or misconfigured internet or network settings. Another reason could be the firewall preventing Google Chrome to load the webpage. What does this error mean server IP address could not be found? What Does It Mean When You Have…
What is a Router? A router is a 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…
What is Computer Forensics Computer forensics is the application of investigation and analysis techniques to gather and preserve evidence from a particular computing device in a way that is suitable for presentation in a court of law. The goal of computer forensics is to perform a structured investigation while maintaining a documented chain of evidence…
Computer Maintenance Definition Computer maintenance is the practice of keeping computers in a good state of repair. A computer containing accumulated dust and debris may not run properly. Dust and debris will accumulate as a result of air cooling. Any filters used to mitigate this need regular service and changes WHAT ARE COMPUTER MAINTENANCE TOOLS…
Computer network Definition A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes. A computer network is also a set of connected computers. Computers on a network are called nodes. The connection between computers can be done via cabling, most commonly the Ethernet…
WHAT IS CORELDRAW? CorelDraw is a software program for editing vector graphics Vector graphics are created in graphics packages and consist of objects. Each object can be edited separately, meaning that the shape, colour, size and position can be changed. Developed by Ottawa-based software company, Corel, CorelDraw, styled CorelDRAW, allows users to to do things like…
DEFINITION What is an Access Point? An access point is a device that creates a wireless local area network, or WLAN, usually in an office or large building. An access point connects to a wired router, switch, or hub via an Ethernet cable, and projects a Wi-Fi signal to a designated area. For example, if…
A computer keyboard is an input device that allows a person to enter letters, numbers, and other symbols (these are called characters in a keyboard) into a computer. … Using a keyboard to enter lots of data is called typing. A keyboard contains many mechanical switches or push-buttons called “keys”. What is the problem of keyboard? If keys stick or certain keys…
Definition Of Address Resolution Protocol The Address Resolution Protocol is a communication protocol used for discovering the link layer address, such as a MAC address, associated with a given internet layer address, typically an IPv4 address. This mapping is a critical function in the Internet protocol suite. Address Resolution Protocol (ARP) is a protocol or…
What is the practice of spying called? Espionage or spying is the act of obtaining secret or confidential information or divulging of the same without the permission of the holder of the information. … Spies help agencies uncover secret information. Why do people spy on their partners? Your spouse might spy on you for any number of reasons. Most commonly, spouses who spy are looking for evidence…
Virtual Memory Definition Virtual memory is a section of volatile memory created temporarily on the storage drive. It is created when a computer is running many processes at once and Ram is running low. The operating system makes part of the storage drive available to use as RAM. Virtual memory is much slower than main memory because processing power is being taken up…
As technology and computers have continued to develop rapidly, a client server network has soon replaced past forms of networking on a computer to become the most widely used. A client server network can be utilized by desktop computers and laptops, as well as other mobile devices that are properly equipped. What is networking or…
Introduction Cache memory plays a crucial role in the efficient functioning of computer systems. As data is processed, cache memory stores frequently accessed information to provide quick access and improve overall system performance. However, over time, cache memory can accumulate unnecessary data, leading to potential slowdowns and performance issues. Therefore, it becomes essential to regularly…
WHAT IS BOOTING In computing, booting is the process of starting a computer. … After it is switched on, a computer’s central processing unit (CPU) has no software in its main memory, so some process must load software into memory before it can be executed. What Is Boot sequence Updated: 08/02/2020 by Computer Hope Alternatively referred to as boot options or boot order, the boot sequence defines which devices…
Email definition Electronic mail is a method of exchanging messages between people using electronic devices. Email entered limited use in the 1960s, but users could only send to users of the same computer, and some early email systems required the author and the recipient to both be online simultaneously, similar to instant messaging. Gmail Definition…
DEFINITION OF HARD DRIVE A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage and one or more rigid rapidly rotating platters coated with magnetic material. TYPES OF HARD DRIVE Hard Drive Types Currently, we can group hard drives into four types: Parallel Advanced…
Passwords on their own aren’t as infallible as we need them to be. Cyber attackers have the power to test billions of passwords combinations in a second.90 percent of employees password can be cracked in few hours What’s even worse, 65% of people use the same password everywhere. That’s pretty much similar to having only one key…
Definition An Internet Service Provider (ISP) is a company such as AT&T, Verizon, Comcast, or Spectrum that provides Internet access to companies, families, and even mobile users. ISPs use fiber-optics, satellite, copper wire, and other forms to provide Internet access to its customers. The type of Internet access varies depending on what the customer requires. For home…
WHAT IS COREL DRAW? CorelDraw is a software program for editing vector graphics Vector graphics are created in graphics packages and consist of objects. Each object can be edited separately, meaning that the shape, colour, size and position can be changed. Developed by Ottawa-based software company, Corel, CorelDraw, styled CorelDRAW, allows users to to do things…
Social media has become an integral part of our lives and is used by millions of people every day. However, with its popularity comes the risk of social media hacking. Social media platforms are vulnerable to hacking and cyber attacks, putting users’ private data at risk. Social media hacking can have severe consequences, such as…
What’s a Proxy Server? A proxy server is a server that acts as a gateway between you and the internet. It’s an intermediary server separating end users from the websites they browse. Proxy servers provide varying levels of functionality, security, and privacy depending on your use case, needs, or company policy. If you’re using a…
What does an android phone mean? Android is an open source and Linux-based Operating System for mobile devices such as smartphones and tablet computers. Android was developed by the Open Handset Alliance, led by Google, and other companies. Android offers a unified approach to application development for mobile devices which means developers need only develop for Android, and…
WHAT IS A NETWORK? A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes A computer network is essentially a connection of two or more devices utilizing a channel in order to…
DISCLAIMER: The information in this article is for educational purposes do not misuse or use this info for malicious purposes.You do that at your own risk. WHAT IS TERMUX Termux is an Android terminal emulator and Linux environment app that works directly with no rooting or setup required. A minimal base system is installed automatically – additional…
If the Windows os, including Windows 10 or Windows 8 fails to boot, it will launch its built-in tool –Automatic Repair to attempt to repair Windows. However, Automatic Repair has some limitations. Sometimes, like any other programs, Automatic Repair fails to work and you get an error message – Automatic Repair couldn’t repair your PC. Disclaimer: please…
What is a mobile number? a set of figures identifying the mobile telephone of a particular subscriber, and used in making connections to that telephone Someone’s mobile number is the series of numbers that you dial when you are making a telephone call to their mobile phone. What is an IP address? IP (Internet Protocol) Address is an address of your…
A programming language is a formal language comprising a set of instructions that produce various kinds of output. Programming languages are used in computer programming to implement algorithms. Most programming languages consist of instructions for computers. Computer programming language is, any of various languages for expressing a set of detailed instructions for a digital computer. Such…
INTRODUCTION Network switches are a vital component in any modern computer network. They allow devices to communicate with each other efficiently and securely by directing traffic to its intended destination. Switches come in a variety of types and sizes, each with different features and capabilities. Understanding how network switches work and the benefits they provide…
What is a CPU Fan? The central processing unit (CPU) is the main microchip in a computer, while a CPU fan is the dedicated fan that helps keep the processor cool. Processors generate heat from internal electrical energy. The more demand placed on a CPU, the harder it works, and the warmer it gets. If…
WINDOWS SERVER 2016 DEFINITION Microsoft Windows Server 2016, previously referred to as Windows Server vNext, is a server operating system (OS). The server operating system is specifically developed to serve as a platform for running networked applications. … Windows Server Containers will run directly on the OS but are isolated from each other. FEATURES OF WINDOWS SERVER 2016 Windows Server 2016 is now…
What does voice over IP mean? Voice over Internet ProtocolVoice over Internet Protocol (VoIP), is a technology that allows you to make voice calls using a broadband Internet connection instead of a regular (or analog) phone line. Voice over Internet Protocol, also called IP telephony, is a method and group of technologies for the delivery of voice communications…
What Is Microsoft Word? You may be wondering: what type of program is Microsoft Word? A good definition is that it’s a word processor. That’s an application you use to “process”— format, manipulate, save, print, share — a text-based document. Microsoft Word is arguably the most popular word processor on the planet. That’s because it’s part of…
Optical Storage DEFINITION OF OPTICAL STORAGE Optical storage, is an electronic storage medium that uses low-power laser beams to record and retrieve digital (binary) data. In optical-storage tecnology, a laser beam encodes digital data onto an optical, or laser, disk in the form of tiny pits arranged in a spiral track on the disk’s surface. A low-power laser…
WHAT IS AN OPERATING SYSTEM An operating system is system software that manages computer hardware, software resources, and provides common services for computer programs An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input…
There are many reasons why you might receive an error message when upgrading or installing Windows 10, but common errors can be fixed with a few steps that you can do on your own. Note: An upgrade takes your device from an older version of Windows, such as Windows 7 or Windows 8.1, to Windows…
A printer is an external hardware output device that takes the electronic data stored on a computer or other device and generates a hard copy. For example, if you created a report on your computer, you could print several copies to hand out at a staff meeting. Printers are one of the most popular computer peripherals and are commonly used…
WHAT IS A DUMB TERMINAL? A dumb terminal is simply an output device that accepts data from the CPU In contrast, a Smart terminal is a monitor that has its own processor for special features such as bold and blinking character Dumb terminals are not as fast as smart terminals, and they do not support as many display features, but they are adequate for most applications. Uses and Types of…
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 program or device that provides a service to another computer program and its user, also known as the client. In…
Microsoft first introduced the functionality to use a USB drive or SD card as a memory cache in Windows Vista in the form of a feature known as ReadyBoost. The feature was also inherited to Windows 7 and later versions, but with the ability to configure more than one USB drive for ReadyBoost. what is…
What is API and why it is used? API is the acronym for Application Programming Interface, which is a software intermediary that allows two applications to talk to each other. Each time you use an app like Facebook, send an instant message, or check the weather on your phone, you’re using an API. An application programming interface, is a…
What is a Router? A router 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? Think of a…
Definition Of a Database A database is an organized collection of structured information, or data, typically stored electronically in a computer system. … The data can then be easily accessed, managed, modified, updated, controlled, and organized. Most databases use structured query language (SQL) for writing and querying data. A database is also a collection of structured information, or data,…
Introduction to Abstract Servers As technology continues to advance, the need for efficient, adaptable, and scalable computing solutions becomes increasingly important. Abstract servers have emerged as a key component in meeting these demands. Abstract servers provide a layer of abstraction between the hardware infrastructure and the software applications, enabling remote access, data abstraction, and virtualization….
What is the meaning of USB? USB Stands for “Universal Serial Bus.” USB is the most common type of computer port used in today’s computers. It can be used to connect keyboards, mice, game controllers, printers, scanners, digital cameras, and removable media drives, just to name a few. What is the use of USB? USB is used…
What is Broadband Internet Service? The term broadband commonly refers to high-speed Internet access that is always on and faster than the traditional dial-up access. Broadband includes several high-speed transmission technologies such as: Digital Subscriber Line (DSL) Cable Modem. Fiber. Broadband Internet service truly is the most used form of Internet access because of its high access speeds; it is offered in…
NET Framework is a software development framework for building and running applications on Windows. .NET Framework is part of the .NET platform, a collection of technologies for building apps for Linux, macOS, Windows, iOS, Android, and more. .Net is a developer platform made up of tools,programming languages and libraries for building many different types of applications….
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 Here are the 8 different types of websites: Homepages. — The homepage…
The digital satellite TV is a systematic product that delivers satellite TV channels. … The receivers are either built-in television tuner, or external set of top boxes. So the satellite television provides thousands of TV channels and thousands of radio stations without cable television, or terrestrial television. Digital satellite TV is also a broadcast from a satellite located on orbit around the Earth. A homeowner who subscribes to the…
What is the meaning of computer hardware?Quite simply, computer hardware is the physical components that a computer system requires to function. It encompasses everything with a circuit board that operates within a PC or laptop; including the motherboard, graphics card, CPU (Central Processing Unit), ventilation fans, webcam, power supply, and so on. COMPUTER HARDWARE PROBLEMS A malfunction within the electronic circuits…
Introduction Automated Teller Machines, popularly referred to as ATMs, are one of the most useful advancements in the banking sector. ATMs allow banking customers to avail quick self-serviced transactions, such as cash withdrawal, deposit, and fund transfers. An automated teller machine also known as an Automated Banking Machine (ABM) is an electronic telecommunication device that enables the customers of…
CCTV, or (closed-circuit television) is a system that allows you to keep an eye on what’s going on in and around your business. Cameras and monitors enable you to view events live, and recorders archive footage for later reference. Don’t mistake a CCTV monitor for an ordinary television. It doesn’t receive publicly broadcasted content—only footage from…
Mobile phone tracking is a process for identifying the location of a mobile phone, whether stationary or moving. Localization may be effected by a number of technologies, such as using multilateration of radio signals between (several) cell towers of the network and the phone, or simply using GPS. Can my phone be tracked if Location Services is off?…
What is GPS tracking and how does it work? GPS Tracking refers to a Global Positioning System. It entails a network of 24 satellites in orbit and devices on the ground that can establish a person or object’s location on Earth with astonishing precision. GPS Tracking tracks three separate data sets: positioning, navigation, and timing.6 GPS tracking uses a network of…
Eavesdropping Attack 1. Introduction to Eavesdropping Attacks In today’s interconnected digital world, the privacy and security of our communications are constantly under threat. Eavesdropping attacks, a form of cyber espionage, have emerged as a significant concern. These attacks involve unauthorized interception and monitoring of communication channels, enabling malicious actors to access sensitive information, steal data,…
A password is a string of characters used for authenticating a user on a computer system. While usernames are generally public information, passwords are private to each user. … Most passwords are comprised of several characters, which can typically include letters, numbers, and most symbols, but not spaces. The key aspects of a strong password are length (the longer the better);…
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…