What are the outputs of a half-subtractor circuit?

Options

  • A. Sum and Carry
  • B. Difference and Borrow
  • C. Sum and Borrow
  • D. Carry and Difference
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Difference and Borrow

Detailed Explanation

Correct Answer: (B) Difference and Borrow
A half-subtractor is a combinational circuit used to subtract one binary bit from another. It produces two outputs: Difference and Borrow.
Difference = A ⊕ B
Borrow = A' · B