Glossary:

ATIS Telecom Glossary

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Select a term name to open its entry and any media references. Longer definitions end with a “Read More” link.

jerkiness

In a video display, the perception, by human vision faculties, of originally continuous motion as a sequence of distinct "snapshots. "
Note 1: The perception of continuous motion by human vision faculties is a manifestation of complex functions, i.e., characteristics, of the eyes and brain. When presented with a sequence of fixed, i.e., still, images of sufficient continuity and at… (Read More →)

jfif

or . jfif: A file-name extension that identifies an image file compressed with the Joint Photographic Experts Group (JPEG) format.

JIA

Joint Implementation Agreement

Jini<font size=-2>TM</font>

A set of Java application program interfaces (APIs) to enable transparent networking of devices and services, thus eliminating the need for system or network administration intervention by a user.

jitter

1. Abrupt and unwanted variations of one or more signal characteristics, such as the interval between successive pulses, the amplitude of successive cycles, or the frequency or phase of successive cycles.
Note 1: Jitter must be specified in qualitative terms (e.g., amplitude, phase, pulse width or pulse position) and in quantitative terms (e.g., average, RMS, or peak-to-peak).
Note 2: The… (Read More →)

job

In computing, a unit of work that is defined by a user and that is to be accomplished by a computer.
Note: A job is identified by a label and usually includes a set of computer programs, files, and control statements to the computer operating system.

Join

When a multicast Host sends the proper IGMP or MLD message to become part od the multicast distribution tree.

joint

For optical fibers, a splice or connector.

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