Code Converters and Multiplexers - Technical MCQs

Q1:

One application of a digital multiplexer is to facilitate:

A data generation

B serial-to-parallel conversion

C parity checking

D data selector

ANS:D - data selector

Answer should be "b" i.e. serial to parallel conversion.

Since a demux has one input and multiple output lines, it can be used to transmit a serial data at the input and recieve a parallel data ath the output.