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A demultiplexer is used to

  • A.Route the data from single input to one of many outputs
  • B.Perform serial to parallel conversion   
  • C.Both (a) & (b)
  • D.Select data from several inputs and route it to single output

Answer: C

Correct answer: Both (a) & (b)

A demultiplexer routes one input to a selected output, and if the select lines are stepped through in turn while bits arrive one after another, the same circuit distributes a serial stream across parallel outputs. Selecting one of many inputs is the multiplexer, which is the reverse operation.

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