Question

A multiplexer is used for _________

(a) accepting multiple inputs

(b) accepting single input

(c) accepting multiple outputs

(d) accepting single output

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This is a very interesting question from Analog Data Acquisition System topic in section Data Acquisition System of Electrical Measurements

Answer 1

Right choice is (a) accepting multiple inputs

To elaborate: A multiplexer forms an important constituent of an analog data acquisition system. It takes multiple analog inputs. By making use of a multiplexer many quantities can be transmitted.