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Multiplexer facilitates the following conversion :

  • A.Single input to one of the multiple outputs
  • B.Multiple inputs to single output
  • C.Decimal to hexadecimal
  • D.Odd parity to even parity

Answer: B

A multiplexer converts multiple inputs to a single output.

A multiplexer (data selector) has 2n data inputs, n select lines and one output. The binary number on the select lines chooses which input is routed to the output, so many data channels can share one line.

Routing a single input to one of several outputs is the opposite function, performed by a demultiplexer. Decimal-to-hexadecimal conversion is the job of an encoder or code converter, and parity conversion is done with exclusive-OR gates, not by a multiplexer.

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