Which of the following represents carry in half adder?

2021

Which of the following represents carry in half adder?

  1. A.

    AB

  2. B.

    A B̄

  3. C.

    ĀB

  4. D.

    Ā B̄

Attempted by 253 students.

Show answer & explanation

Correct answer: A

For inputs A and B, the carry output is represented by the following Boolean expression:

Carry = A \cdot B

Explore the full course: Up Lt Grade Assistant Teacher 2025