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Which one of the following is the function of a multiplexer?

  1. To decode information
  2. To select $1$ out of $N$ input data sources and to transmit it to single channel
  3. To transmit data on $N$ lines
  4. To perform serial to parallel conversion
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3 Answers

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Best answer

In electronics, a multiplexer (or mux; spelled sometimes as multiplexor), also known as a data selector, is a device that selects between several analog or digital input signals and forwards it to a single output line.

B is correct.

Ref: https://en.wikipedia.org/wiki/Multiplexer

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Multiplexer is a device that combines the signals of two or more incoming lines onto a single outgoing line. A basic example of multiplexing is a telephone line, which carries many individual calls at the same time, with each call added to the line through multiplexing. Although most commonly associated with computing and communications, multiplexers have a variety of other applications.

B is the answer
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In electronics, a multiplexer (or mux; spelled sometimes as multiplexor), also known as a data selector, is a device that selects between several analog or digital input signals and forwards the selected input to a single output line. The selection is directed a separate set of digital inputs known as select lines.

option B is answer..

Answer:

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