Which logic gate is used to generate the Carry output of a half-adder?

Options

  • A. XOR gate
  • B. AND gate
  • C. NOT gate
  • D. NAND gate
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. AND gate

Detailed Explanation

Correct Answer: (B) AND gate
The Carry output of a half-adder is generated using an AND gate.
Carry = A · B
Carry is 1 only when both inputs are 1.