How many select lines are required for a 16-to-1 multiplexer?

Options

  • A. 2
  • B. 3
  • C. 4
  • D. 5
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. 4

Detailed Explanation

Explanation: A multiplexer with 2^n input lines requires n select lines. For 16 inputs, 2^4 = 16, so 4 select lines are required.