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Digital Concepts - Technical MCQs

Q1:

A demultiplexer has ________.

A one data input and a number of selection inputs, and they have several outputs

B one input and one output

C several inputs and several outputs

D several inputs and one output

ANS:A - one data input and a number of selection inputs, and they have several outputs

(MUX) is a selector device that has 2i data inputs, and i select inputs. The value on the output of such a device is the value nth data input, where n is the binary number on the select inputs.