Glossary:

ATIS Telecom Glossary

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effective transmission rate

The rate at which information is processed by a transmission facility.
Note 1: The effective transmission rate is calculated as (a) the measured number of units of data, such as bits, characters, blocks, or frames, transmitted during a significant measurement time interval divided by (b) the measurement time interval.
Note 2: The effective transmission rate is usually expressed as a… (Read More →)

Effectiveness

A property of a Target of Evaluation representing how well it provides security in the context of its actual or proposed operational use [ITSEC].

efficiency factor

In data communications, the ratio of (a) the time to transmit a text automatically at a specified modulation rate to (b) the time actually required to receive the same text at a specified maximum error rate.
Note 1: All of the communication facilities are assumed to be in the normal condition of adjustment and operation.
Note 2: Telegraph communications may… (Read More →)

EFM

Ethernet in the First Mile

EFT

Abbreviation for electronic funds transfer. The technology that allows for funds to be transferred securely and instantaneously by electronic means from one bank account to another.

EGA

Abbreviation for enhanced graphics adapter. A display technology with pixel resolution of 640 x 350, used with early personal computers.
Note: EGA has been replaced by newer display technologies.

EHF

Abbreviation for extremely high frequency.

EHS

European Home Systems Protocol

EIA

Abbreviation for Electronic Industries Association.

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