Search Keyword By: J

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Joint Telecommunications Resources Board (JTRB)

The body required to be established by Section 2(b) (3) of Executive Order No.12472 to assist the Director of the Office of Science and Technology Policy in the exercise of assigned nonwartime emergency telecommunications functions.

joint use aerial plant

Aerial telecommunications and power plant utilizing the same structure, such as poles. [T1.318-2000]

journal

1. A chronological record of data processing operations that may be used to reconstruct a previous or an updated version of a file. Synonym log.
2. In database management systems, the record of all stored data items that have values changed as a result of processing and manipulation of the data.

joy stick

In computer graphics, a lever (with at least two degrees of freedom) that is used as an input unit, normally as a locator.

JSON

JavaScript Object Notation

judder

A temporal artifact associated with moving images, which artifact occurs when the image is sampled at one frame rate and converted to a different frame rate for display; as a result, motion vectors in the display may appear to represent continuously varying velocities.
Note: The subjective effect of the artifact becomes more obvious when the frame-rate conversion is made by… (Read More →)

Julian date

1. The sequential day count reckoned consecutively beginning January 1, 4713 B. C.
Note: The Julian date on January 1, 1990, was 2,446,89
2.
2. The sequential day count of the days of a year, reckoned consecutively from the first day of January.
Note: In modern times, the definition of Julian date has been corrupted to use the first day… (Read More →)

jurisdiction

1. In telecommunications, the functional separation of telecommunications networks. A jurisdiction is one of the following four types: (a) local exchange carrier network; (b) interexchange carrier network; (c) end user network; (d) some combination of the above. [T1.256-1999]
2. Loosely, and in a more general sense, the regulatory authority of the Federal Communications Commission as specified in the Communications Act… (Read More →)

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