Which of the following is a universal gate?

2018

Which of the following is a universal gate?

  1. A.

    NOT

  2. B.

    NAND

  3. C.

    OR

  4. D.

    AND

Attempted by 429 students.

Show answer & explanation

Correct answer: B

A universal gate is a logic gate that can be used to implement any other Boolean function (like AND, OR, and NOT) without needing any other gate types. By combining multiple universal gates, we can build an entire digital system.

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