Machine-translated by Google. Questions are authored in English.
Top

Discussion

How many select lines are required for an 8-to-1 multiplexer ?

  • A.2
  • B.3
  • C.4
  • D.8

Answer: A

Correct answer: 3

A multiplexer with \(2^n\) data inputs needs \(n\) select lines to address them. Since \(2^3 = 8\), three select lines are required to choose one of the eight inputs.

No comment is present. Be the first to comment.
Loading…

Post your comment

Please log in or register to post a comment.