Correct AnswerD. several data inputs, one data output and selection inputs
Quick Explanation
A multiplexer is a data selector. It accepts several data inputs, uses select lines to choose one of them, and sends the selected data to a single output. Therefore option D is correct.
Detailed Explanation
Correct Answer
D — several data inputs, one data output and selection inputs
Concept and Reasoning
A multiplexer is a data selector. It accepts several data inputs, uses select lines to choose one of them, and sends the selected data to a single output. Therefore option D is correct.
Calculation / Key Relation
2^n data inputs require n select lines and produce one selected output
Exam Takeaway
MUX = many inputs to one output.
Common Mistake
Do not confuse a multiplexer with a demultiplexer, which routes one input to one of many outputs.
