Definition of - Multiplexer

Multiplexer
Multiplexer or MUX (occasionally the terms muldex or muldem are also found for a combination multiplexer-demultiplexer) is a device that performs multiplexing; it selects one of many analog or digital input signals and forwards the selected input into a single line. A multiplexer of 2n inputs has n select lines, which are used to select which input line to send to the output.
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