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Meaning of DUPLEX

Pronunciation:  'doopleks

 
Matching Terms:  duple, duple time, duplex apartment, duplex dna, duplex high speed data, duplex house, duplex melting

Computing Dictionary
 
 Definition: 

Used to describe a communications channel that can carry signals in both directions, in contrast to a simplex channel which only ever carries a signal in one direction.

If signals can only flow in one direction at a time the communications is "half-duplex", like a single-lane road with traffic lights at each end. Walkie-talkies with a "press-to-talk" button provide half-duplex communications.

If signals can flow in both directions simultaneously the communications is "full-duplex", like a normal two-lane road. Telephones provide full-duplex communications.

The term "duplex" was first used in wireless, telegraph, and telephone communications. Nearly all communications circuits used by computers are two-way, so the term is seldom used.

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Thesaurus Terms
 
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