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Thursday, April 5, 2012

COMPUTER TERMINOLOGY


COMPUTER TERMINOLOGY:-

Terms Beginning with "J"
While most of the world uses "Java" as another term for coffee, the computer science world uses it to refer to a...
Like Java, this is a programming lanuguage designed by Sun Microsystems, in conjuction with Netscape, that can be...
A joystick is an input device commonly used to control video games. Joysticks consist of a base and a stick that can...
The term actually stands for "Joint Photographic Experts Group," because that is the name of the committee that...
Stands for "Java Runtime Environment" and may also be written "Java RTE." Java is a programming language, similar to...
Stands for "Java Server Page." This standard was developed by Sun Microsystems as an alternative to Microsoft's active...
This is a small metal connector that acts as an on/off switch and is used to alter hardware configurations. A jumper...
Terms Beginning with "K"
Stands for "Kilobits Per Second." Don't confuse this with Kilobytes per second (which is 8 times more data per...
Stands for "K Desktop Environment." KDE is a contemporary desktop environment for Unix systems. It is a Free Software...
This is a term for the computing elite, so proceed at your own risk. To understand what a kernel is, you first need to...
Kerning refers to the spacing between the characters of a font. Without kerning, each character takes up a block of...
As the name implies, a keyboard is basically a board of keys. Along with the mouse, the keyboard is one of the primary...
A keyboard shortcut is a key combination that performs a certain command, such as closing a window or saving a file...
A keylogger is a program that records the keystrokes on a computer. It does this by monitoring a user's input and...
A keystroke is typing one character on a keyboard (not stroking your keyboard like a cat). Every time you hit a key...
Keywords are words or phrases that describe content. They can be used as metadata to describe images, text documents...
A kibibyte is a unit of data storage that equals 2 to the 10th power, or 1,024 bytes. While a kilobyte can be...
A kilobyte is 2 to the 10th power, or 1,024 bytes. "But doesn't 'kilo' means one thousand?" you ask. Well yes, but...
KOffice (pronounced "K-office") is an integrated office suite for the K Desktop Environment (KDE), a desktop interface...
Stands for "Keyboard, Video, and Mouse switch." As the name implies, a KVM switch allows you to used multiple...
Terms Beginning with "L"
Stands for "Local Area Network," and is pronounced like "land" without the "d". (Computer people will think you're...
Laptop computers, also known as notebooks, are portable computers that you can take with you and use in different...
A laser printer is a printer that uses a focused beam or light to transfer text and images onto paper. Though contrary...
This is the amount of time it takes a packet of data to move across a network connection. When a packet is being sent...
Stands for "Liquid Crystal Display." LCDs are super-thin displays that are used in laptop computer screens and flat...
Stands for "Lightweight Directory Access Protocol." If you want to make directory information available over the...
As the average computer screen size has grown larger, the size of online advertisements as grown as well. The...
What does a computer's hard disk have in common with a tall oak? While it may not look like a tree on the outside, the...
LED is short for "Light-Emitting Diode." It is a type of electronic light source that is activated by an electrical...
Stands for "Last In, First Out." LIFO is a method of processing data in which the last items entered are the first to...
When you are browsing the Web and you see a highlighted and underlined word or phrase on a page, there is a good chance...
LinkedIn is a business-oriented social networking website. It allows you to create a custom profile and add other...
Linux is a free, open source, Unix-like (operating system|operating_system). It is available in several different...
This term looks like it's missing an "e", but that's how it's spelled. A listserv, or list server, is a small program...
Computer networks are complex systems, often routing hundreds, thousands, or even millions of data packets every...
"Localhost" refers to the local computer that a program is running on. For example, if you are running a Web browser...
A log file contains a record of events generated by a software program or output by a hardware device. Most log files...
Logic gates perform basic logical functions and are the are the fundamental building blocks of digital integrated...
If you are ever asked to enter your username and password, you are being asked to enter your login information. A...
Lossless compression reduces a file's size with no loss of quality. This seemingly magical method of reducing file...
Lossy file compression results in lost data and quality from the original version. Lossy compression is typically...
Stands for "Lines Per Inch." LPI is used to measure the resolution of images printed in halftones. Because halftone...
Stands for "Logical Unit Number." LUNs are used to identify SCSI devices, such as external hard drives, connected to a...
Terms Beginning with "M"
Stands for "Media Access Control Address," and no, it is not related Apple Macintosh computers. A MAC address is a...
This is the operating system that runs on Macintosh computers. It is pronounced, "mack-oh-es." The Mac OS has been...
Mac OS X, pronounced "Mac Oh-Es Ten," is the current version of the operating system used on Apple Macintosh computers...
This is the name of the computers that are made by Apple Computer. The first Macintosh was introduced in 1984 and was...
Macro has two computer-related definitions, both of which involve making your computer experience more efficient. ...
A mainframe is an ultra high-performance computer made for high-volume, processor-intensive computing. They are...
Short for "malicious software," malware refers to software programs designed to damage or do other unwanted actions on...
Stands for "Mobile Ad Hoc Network." A MANET is a type of ad hoc network that can change locations and configure itself...
A markup language is a type of syntax used for defining elements within a document, such as a webpage or data file. It...
The term "mashup" has several meanings. It was originally used to describe songs that meshed two different styles of...
Maximizing a window makes it larger. In Windows, a maximized window fills the entire screen, while on a Mac, it takes...
Stands for "Megabits Per Second." One megabit is equal to one million bits or 1,000 kilobits. While "megabit" sounds...
Stands for "Micro Channel Architecture." It is an expansion bus created by IBM that was used in the company's PS...
A mebibyte is a unit of data storage that equals 2 to the 20th power, or 1,048,576 bytes. While a megabyte can be...
In general, "media" refers to various means of communication. For example, television, radio, and the newspaper are...
A megabyte is 2 to the 20th power, or 1,048,576 bytes. It can be estimated as 10 to the 6th power, or one million...
One megahertz is equal to one million cycles per second. It is used to measure transmission speeds of electronic...
A megapixel is one million pixels. It is commonly used to describe the resolution of digital cameras. For example, a...
Just like humans, computers rely a lot on memory. They need to process and store data, just like we do. However...
A memory bank is an individual section of data stored in a computer's memory. It typically contains data that only...
A memory leak is like a virtual oil leak in your computer. It slowly drains the available memory, reducing the amount...
A memory module is another name for a RAM chip. It is often used as a general term used to describe SIMM, DIMM, and...
Memory Stick is a type of flash memory developed by Sony. It is used to store data for digital cameras, camcorders...
A menu bar is a horizontal strip that contains lists of available menus for a certain program. In Windows programs...
Meta search engines are search engines that search other search engines. Confused? To put it simply, a meta search...
This is a special HTML tag that is used to store information about a Web page but is not displayed in a Web browser...
Metadata describes other data. It provides information about a certain item's content. For example, an image may...
A metafile can refer to two different types of computer files. The first is a file that describes the contents of...
Stands for "Musical Instrument Digital Interface." It is a connectivity standard that musicians use to hook together...
Most digital camcorders record video and audio on a Mini DV tape. The cassettes measure 2.6 x 1.9 x 0.5 inches (L x W...
Minimizing a window temporarily hides it from view without closing it. In Windows, a button for the minimized window...
Stands for "Million Instructions Per Second." It is a method of measuring the raw speed of a computer's processor...
A mirror is something that you can see your reflection in. Most mirrors consist of a sheet of glass with a sheet of...
A mirrored volume is a hard drive or other form of storage media that stores an exact copy of the data from another...
A mnemonic (pronounced "nemonic") is a pattern that can be used as an aid for memorizing information. Most often, this...
The word modem is actually short for Modulator/Demodulator. (There's something you can really impress your friends...
A modifier key is a key that modifies the action of another key when the two are pressed together. Common modifier...
The term "monitor" is often used synonymously with "computer screen" or "display." The monitor displays the computer's...
Stands for "Modular Object-Oriented Dynamic Learning Environment." Moodle is an open source course management system...
The motherboard is the main circuit board of your computer and is also known as the mainboard or logic board. If you...
In order for a hard disk or disk partition to be accessible by a computer, it must first be mounted. This is a...
A mouse, along with the keyboard, is one of the two main input devices used by computers. It is a small handheld...
Stands for "MPEG-1 Audio Layer-3." MP3 is popular compressed audio file format that helped popularize digital music...
Stands for "Moving Picture Experts Group." The MPEG organization, which works with the International Organization for...
Stands for "Maximum Transmission Unit." MTU is a networking term that defines the largest packet size that can be sent...
As the name implies, multimedia is the integration of multiple forms of media. This includes text, graphics, audio...
If a software program is developed for mulitple operating systems, it is considered to be "multiplatform." Since...
For many years, the speed of computer processors increased through improvements in the architecture and clock speed of...
Multitasking is processing multiple tasks at one time. For example, when you see someone in the car next to you eating...
Multithreading is similar to multitasking, but enables the processing of multiple threads at one time, rather than...
MySpace is an online community that allows friends to keep in touch and meet new people as well. It started out as a...
MySQL, pronounced either "My S-Q-L" or "My Sequel," is an open source relational database management system. It is...

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