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Glossary of Computer Terms
Terms starting with alphabets 'J', 'K' & 'L'
| Term | Description |
|---|---|
| Java | Java is platform independent object-oriented programming language developed by Sun Microsystems. The syntax of Java is much like that of C/C++. Small programs developed by using java, called java applets can be embedded in Web sites to run automatically. |
| JavaScript | This is a scripting language developed by Sun Microsystems and Netscape. JavaScript can be integrated in HTML pages to create dynamic and interactive web pages. |
| JPEG | Joint Photographic Experts Group (JPEG) is an image compression standard for still photographs. JPEG images are commonly used on the web. JPEG images do not have limitation of amount of color as in the case of .gif images. JPEG image files have .jpg extension. |
| Jumper | A jumper is a small piece of metal conductor used as on/off switch and is used to alter hardware configuration. |
| kbps | Kilobytes per second |
| Kernel | The kernel is a program that constitutes the central core of a computer operating system. It has complete control over everything that occurs in the system. The kernel is the first part of the operating system to load into memory during booting and it remains there for the entire duration of the computer session because its services are required continuously. |
| Kilobyte | A kilobyte is 2 to the 10th power, or 1,024 bytes. |
| Keyboard | A keyboard is a board of keys and is used as an input device. Please see "Know Your Computer Hardware". |
| Keystroke | Depressing a key on the keyboard is termed as a keystroke. |
| LAN | LAN is acronym for "Local Area Network". A LAN is a computer network limited to a small area such as an office building. |
| Laptop | Laptop also called notebook is a portable computer. |
| Laser Printer | Please see "Know Your Computer Hardware". |
| LCD | LCD is acronym for 'Liquid Crystal Display'. LCD technology is used in monitors. Please see "Know Your Computer Hardware". |
| LIFO | LIFO is acronym for 'Last in First Out' |
| Link | Please see 'Hyperlink' |
| Linux | linux is an operating system created by Linus Torvalds. He wasn't happy with the available options in Unix so he created his own operating system and distributed it freely. This helped Linux in gaining popularity. Computer professionals love Linux because it is very customizable and one can add his own code to the operating system. |
| Login | Login is entering information (usually username and password) to authenticate the identity of the user. |