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Thursday, April 5, 2012

COMPUTER TERMINOLOGY


 COMPUTER TERMINOLOGY:-

Terms Beginning with "F"
Facebook is a social networking website that was originally designed for college students, but is now open to anyone...
Stands for "Frequently Asked Questions," and can be pronounced "fak" or simply "F-A-Q." An FAQ is a text file that is...
This strange term refers to the way Windows stores data on your hard drive. "FAT" stands for "File Allocation Table...
This is a cable made up of super-thin filaments of glass or other transparent materials that can carry beams of light...
Stands for "First In, First Out." FIFO is a method of processing and retrieving data. In a FIFO system, the first...
A file is a collection of data stored in one unit, identified by a filename. It can be a document, picture, audio or...
A file extension is the last part of a filename, after the dot (e.g. ".pdf"). Most file extensions are three...
A file format describes the way data is stored in a file. It defines the data structure (how the data is organized in...
Most people have several thousand files on their computer's hard disk, so imagine how hard it would be to find anything...
A filename is a text string that identifies a file. Every file stored on a computer's hard disk has a filename that...
The Finder serves as the primary graphical user interface (GUI) for Macintosh computers. It includes the desktop...
Stands for "Fiber Optic Service." FiOS is a data communications service provided by Verizon that uses fiber optic...
The term "firewall" originally referred to fireproof walls that were designed to prevent the spread of fire from one...
This high-speed interface has become a hot new standard for connecting peripherals (no pun intended). Created by Apple...
Firmware is a software program or set of instructions programmed on a hardware device. It provides the necessary...
Flaming is the act of posting or sending offensive messages over the Internet. These messages, called "flames," may be...
Flash is a multimedia technology used for creating animations and interactive websites. Web developers often use Flash...
Flash drives have many names — jump drives, thumb drives, pen drives, and USB keychain drives. Regardless of...
Flash memory is a type of electrically erasable programmable read-only memory (EEPROM). Whew, that's a mouthful. The...
A flat file database is a database that stores data in a plain text file. Each line of the text file holds one record...
A flatbed is a type of scanner or copier that uses a flat, glass surface for scanning documents or other objects. Most...
As the name implies, floating point numbers are numbers that contain floating decimal points. For example, the numbers...
Floppy disks have an interesting name, considering they do not appear to be "floppy." However, if you take the actual...
FLOPS is an acronym that means "Floating Point Operations Per Second." FLOPS is a measurement unit that defines the...
A flowchart is a diagram that describes a process or operation. It includes multiple steps, which the process "flows...
Just like real world folders, folders on your hard drive store files. These files can be documents, programs, scripts...
A font is a specific typeface of a certain size and style. For example, one font may be Arial 12 pt bold, while...
Formatting a disk involves rewriting the directory structure, or file system, of a disk. All disks must be formatted...
A formula is a calculation performed on one or more variables. It may be a simple operation, such as the addition of...
Stands for "Floating Point Unit." The first computer processors were far better at dealing with integers than with...
In the computer world, a frame can be many different things. The different definitions of "frame" are listed below: ...
Like shareware, freeware is software you can download, pass around, and distribute without any initial payment...
An online friend is a person added to your list of friends on a social networking website, such as Facebook or MySpace...
While "frozen" describes the state of Minnesota from November to March, it also refers to an unresponsive computer...
Stands for "frontside bus." The FSB connects the computer's processor to the system memory (RAM) and other components...
Stands for "File Transfer Protocol." It is a common method of transferring files via the Internet from one computer to...
Terms Beginning with "G"
Gamma correction is used to alter the output levels of a display. Since the standard input signal (or voltage level...
A gateway is either hardware or software that acts as a bridge between two networks so that data can be transferred...
A gibibyte is a unit of data storage that equals 2 to the 30th power, or 1,073,741,824 bytes. While a gigabyte can...
The letters "GIF" actually stand for "Graphics Interchange Format," but you don't need to remember that. What you...
A gigabyte is 2 to the 30th power, or 1,073,741,824 bytes. It can be estimated as 10 to the 9th power, or one...
Gigaflops is a unit of measurement that measures the processing power of a processor's floating point unit, or FPU...
One gigahertz is equal to 1,000 megahertz (MHz) or 1,000,000,000 Hz. It is commonly used to measure computer...
Stands for "Garbage In, Garbage Out." It means that if invalid data is entered in a computer program, the resulting...
Stands for "Geographic Information Systems." GIS tools are used to gather and analyze data about the surface of the...
GNU (a recursive acronym for "GNU's Not Unix") is a Unix-like (operating system|operating_system) that is available in...
Gnutella is a file sharing network that allows users to send and receive files over the Internet. The first part of...
Golden master is the final stage of the software development process. It describes the "Release to Manufacturing" or...
Goodput sounds like a golf term that describes sinking a 20 foot birdie putt. However, in the computer world, goodput...
Google is the world's most popular search engine. It began as a search project in 1996 by Larry Page and Sergey Brin...
The Gopher technology was invented at the University of Minnesota, whose mascot is, not surprisingly, the Golden...
Stands for "Global Positioning System." GPS is a satellite navigation system used to determine ground position and...
Stands for "Graphics Processing Unit." Like the CPU (Central Processing Unit), it is a single-chip processor...
Computer graphics are images displayed on a computer screen. They can be either two or three-dimensional...
Stands for "Graphical User Interface," and is pronounced "gooey." It refers to the graphical interface of a computer...
Stands for "Globally Unique Identifier." A GUID is a 128-bit (16 byte) number used by software programs to uniquely...
Terms Beginning with "H"
While this term originally referred to a clever or expert programmer, it is now more commonly used to refer to someone...
A halftone image is made up of a series of dots rather than a continuous tone. These dots can be different sizes...
In online chat, the name you use is often referred to as your screen name, or handle. So if you decided to name...
A hard copy is a printed document. It may be a text file, photograph, drawing, or any other type of printable file...
When you save data or install programs on your computer, the information is typically written to your hard disk. The...
The hard drive is what stores all your data. It houses the hard disk, where all your files and folders are physically...
A hard token, sometimes called an "authentication token," is a hardware security device that is used to authorize a...
Computer hardware refers to the physical parts of a computer and related devices. Internal hardware devices include...
Stands for "High-Definition Multimedia Interface." HDMI is a digital interface for transmitting audio and video data...
Stands for "High Definition Televsion." HDTV is a high-quality video standard developed to replace older video formats...
Stands for "High-Definition Video." According to a consortium of manufacturers including Sony, JVC, Canon, and Sharp...
A computer's CPU may perform millions of calculations every second. As the processor continues to work at a rapid...
Hertz (abbreviated: Hz) is the standard unit of measurement used for measuring frequency. Since frequency is...
Generally speaking, a heuristic is a "rule of thumb," or a good guide to follow when making decisions. In computer...
Hexadecimal is a base-16 number system. It is a different method of representing numbers than the base-10 system we...
Stands for "Hierarchical File System." HFS is the file system used for organizing files on a Macintosh hard disk...
If you are not going to use your computer for a few hours, it is a good idea to put it to sleep (also known as standby...
Technically, a hit is a request made to a Web server. It is a popular misconception that the term refers to the number...
This is the starting point or front page of a Web site. This page usually has some sort of table of contents on it and...
A horizontal market is one that supplies goods to a variety of industries instead of just one. Therefore, horizontal...
This is a computer that acts as a server for other computers on a network. It can be a Web server, an e-mail server...
When you roll the cursor over a link on a Web page, it is often referred to as "hovering" over the link. This is...
Stands for "Heat Sink and Fan." Nearly all computers have heat sinks, which help keep the CPU cool and prevent it from...
Stands for "Hyper-Text Markup Language." This is the language that Web pages are written in. Also known as hypertext...
Stands for "HyperText Transfer Protocol." This is the protocol used to transfer data over the World Wide Web. That's...
Stands for "HyperText Transport Protocol Secure." HTTPS is the same thing as HTTP, but uses a secure socket layer...
This is a hardware device that is used to network multiple computers together. It is a central connection for all the...
Hyper-threading is a technology developed by Intel Corporation. It is used in certain Pentium 4 processors and all...
A hyperlink is a word, phrase, or image that you can click on to jump to a new document or a new section within the...
Most Web navigation is done by clicking text-based links that open new pages in a Web browser. These links, which are...
Hypertext is text that links to other information. By clicking on a link in a hypertext document, a user can quickly...
Terms Beginning with "I"
Stands for "Input/Output" and is pronounced simply "eye-oh." Computers are based on the fundamental idea that every...
Each I/O device connected to your computer is mapped to a unique I/O (Input/Output) address. These addresses are...
The personal computer market in the early 1980's consisted primarily of Apple and IBM computers. Apple's systems ran a...
Stands for "Internet Corporation For Assigned Names and Numbers." The ICANN is an non-profit corporation that is...
Stands for "Internet Connection Firewall." ICF is a Windows XP feature that protects computers connected to the...
Stands for "Internet Control Message Protocol." When information is transferred over the Internet, computer systems...
Ever since the Macintosh was introduced in 1984, icons have been the way we view files on computers. An icon on your...
ICQ is a popular online chat program that allows users to communicate with each other over the Internet. It is similar...
Stands for "Internet Connection Sharing." ICS allows multiple computers to connect to the Internet using the same...
ICT is short for "Information and Communication Technologies." It is similar to IT (Information Technology), but...
IDE may either stand for "Integrated Device Electronics" or "Integrated Development Environment." The first is a...
Stands for the "Institute of Electrical and Electronics Engineers." This is a non-profit organization that develops...
Stands for "Integrated Graphics Processor." An IGP is a graphics chip that is integrated into a computer's...
When a program on your computer has an error, you may see a message pop up on the screen saying, "Illegal Operation...
Stands for "Instant Message." Instant messaging, or "IMing," as frequent users call it, has become a popular way to...
Stands for "Internet Message Access Protocol" and is pronounced "eye-map." It is a method of accessing e-mail messages...
An impact printer is a printer that strikes a print head against an ink ribbon to mark the paper. Common examples...
It is said that you never get a second chance to make a first impression. Well, in the wonderful world of the World...
An inbox is the main folder that your incoming mail gets stored in. Whether you check your mail through a webmail...
An index is a list of data, such as group of files or database entries. It is typically saved in a plain text format...
Infotainment is a combo word, like "fantabulous," that combines two words into one. It refers to television shows...
Inkjet printers are the most common type of consumer printers. The inkjet technology works by spraying very fine drops...
Whenever you enter data into your computer, it is referred to as input. This can be text typed in a word processing...
An input device is any device that provides input to a computer. There are dozens of possible input devices, but the...
Most software programs require that you first install them on your computer before using them. For example, if you buy...
In order to install new software on your computer, you often need to run an installer program. This program unpacks...
An integer is a whole number (not a fraction) that can be positive, negative, or zero. Therefore, the numbers...
An integrated circuit, or IC, is small chip that can function as an amplifier, oscillator, timer, microprocessor, or...
Intellectual property refers to the ownership of intangible and non-physical goods. This includes ideas, names...
An interface is a port on a hardware device that allows it to connect to another device. Common hardware interfaces...
A common way to compress video is to interlace it. Each frame of an interlaced video signal shows every other...
As the name implies, an internal hard drive is a hard drive located inside a computer. Nearly all computers come with...
Believe it or not, the Internet was created way back in 1969, during the Cold War, by the United States military. It...
Stands for "Internet Network Information Center." The InterNIC is an organization created by the National Science...
Contrary to popular belief, this is not simply a misspelling of "Internet." "Intra" means "internal" or "within," so...
Stands for "Internet Protocol." It provides a standard set of rules for sending and receiving data through the...
Also known as an "IP number" or simply an "IP," this is a code made up of numbers separated by three dots that...
The iPad is a lightweight tablet PC developed by Apple. It looks similar to an iPhone, but has a much larger...
Apple's iPhone is a smartphone that functions as a mobile phone, an iPod, and can run third-party apps. It runs the...
The iPod is a portable music player developed by Apple Computer. Though it is an Apple product, the iPod can be used...
IPv4 is the fourth revision of the Internet Protocol and is the most common version used today. It uses 32-bit...
Every computer system and device connected to the Internet is located by an IP address. The current system of...
Stands for "Internetwork Packet Exchange." (I didn't know "exchange" started with an "x" either.) It is a networking...
Stands for "Internet Relay Chat." IRC makes it possible for people using the Internet to converse with each other in...
Stands for "Interrupt Request." PCs use interrupt requests to manage various hardware operations. Devices such as...
Stands for "Industry Standard Architecture." ISA is a type of bus used in PCs for adding expansion cards. For example...
Stands for "Internet Small Computer Systems Interface." iSCSI is an extension of the standard SCSI storage interface...
Stands for "Integrated Services Digital Network." No, it's not the same thing as the ISBN you see in books. ISDN is a...
Stands for "International Organization for Standardization." Yes, technically the acronym should be "IOFS," but I...
Stands for "Internet Service Provider." In order to connect to the Internet, you need an ISP. It is the company that...
Stands for "Information Technology," and is pronounced "I.T." It refers to anything related to computing technology...
Iteration is the repetition of a function or process in a computer program. Iterations of functions are common in...
iTunes is an audio playback program developed by Apple Computer. You can use iTunes to import songs from CDs as well...
Stands for "Interactive Voice Response." IVR is a telephony technology that can read a combination of touch tone and...

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