Same chapter3 marksDifficulty: Medium
What is a flip-flop and how does it differ from a combinational circuit?
Combinational and Sequential Logic Circuits
3 marksDifficulty: Medium
What is a multiplexer, and how many select lines does an 8-to-1 multiplexer need?
Original Khojo Papers practice question — not from a past board paper.
Answer
A multiplexer selects one of several input lines and passes its value to a single output, the choice being made by the select lines. An 8-to-1 multiplexer needs three select lines, since 23 = 8.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
A demultiplexer reverses the operation.
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