Flammability rating established by Underwriters Laboratories for wires and cables that pass a specially designed vertical flame test formerly designated FR-1.

Voice Extensible Markup Language

Wideband Code Division Multiple Access

Synonym doubly clad fiber.

World Wide Web Consortium

A thin slice of semiconducting material, such as a silicon crystal, upon which microcircuits are constructed by diffusion and deposition of various materials.
Note: Millions of individual circuit elements, constituting hundreds of microcircuits, may be constructed on a single wafer. The individual microcircuits are separated by scoring and breaking the wafer into individual chips ("dice").

Acronym for Wide Area Information Servers. A distributed text searching system that uses the protocol standard ANS Z39.50 to search index databases on remote computers.
Note 1: WAIS libraries are most often found on the Internet.
Note 2: WAIS allows users to discover and access information resources on the network without regard to their physical location.
Note 3: WAIS software… (Read More →)

A graphic image that serves as a background for a Web page or for a computer operating system's screen.

Acronym for wide area network.

Relative to jitter and swim, long-term random variations of the significant instants of a digital signal from their ideal positions.
Note 1: Wander variations are those that occur over a period greater than 1 s (second).
Note 2: Jitter, swim, wander, and drift have increasing periods of variation in that order.