How many select lines are required for a 32-to-1 multiplexer?

Options

  • A. 3
  • B. 4
  • C. 5
  • D. 6
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. 5

Detailed Explanation

Correct Answer: (C) 5
Number of select lines = log₂(32) = 5. Therefore, a 32-to-1 multiplexer requires five select lines.