J
Java
- A highly portable, object-oriented programming language developed by Sun Microsystems. Not to be confused with JavaScript (below).
JavaScript
- A programming language originally created by Netscape with specific features designed for use with the Internet and HTML, and syntax resembling that of Java and C++. Now standardized as ECMA-262.
JCIC
- Joint Committee on Intersociety Coordination.
JEC
- Joint Engineering Committee of EIA and NCTA.
jewel box
- The plastic clamshell case that holds a CD or DVD.
jitter
- Temporal variation in a signal from an ideal reference clock. There are many kinds of jitter, including sample jitter, channel jitter, and interface jitter.
JPEG
- Joint Photographic Experts Group. The international committee which created its namesake standard for compressing still images.
JScript
- A proprietary Microsoft variant of JavaScript (above).
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