Java
A programming language developed by SUN. Mostly for programming web servers and web applets.
JavaScript
The most popular scripting language on the internet, developed by Netscape.
Joystick
In computers, a joystick is a cursor control device used in computer games and
assistive technology.
JPEG
Joint Photographic
Experts Group
A digital image file format designed for maximal image
compression. JPEG uses "lossy" compression in such a way that, when the image is
decompressed, the human eye won't find the loss too obvious. The amount of
compression is variable and the extent to which an image may be compressed
without too much degradation depends partly on the image and partly on its
use.
JScript
Microsoft's version of JavaScript.
JSP
Java Server Pages
A Java based technology allowing the insertion of server executable scripts in web pages. Mostly used on Linux, Unix and Solaris platforms.
Jumper
A small, removable plastic cap on connector pins that acts as a
switch: On is indicated when the jumper covers both pins; Off is indicated when
the jumper covers only one of the pins (or is completely removed).
Jukebox
An application used to play & organize MP3 and audio
files.