How many input bits are used in a full-adder circuit?

Options

  • A. One
  • B. Two
  • C. Three
  • D. Four
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. Three

Detailed Explanation

Correct Answer: (C) Three
A full-adder has three inputs: A, B, and Carry-in (Cin). It adds two binary bits along with the incoming carry.