How many select lines are required for a 64-to-1 multiplexer?

Options

  • A. 4
  • B. 5
  • C. 6
  • D. 7
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. 6

Detailed Explanation

Correct Answer: (C) 6
Number of select lines = log₂(64) = 6. Six binary select lines can represent 64 different combinations, allowing selection of any one of the 64 inputs.