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Question 27Asked in DSSSB PGT Computer Science (Technical), 11 Jul 2021

Which logical gate is known as Universal gate?

  1. AAND
  2. BEx-OR
  3. CNOT
  4. DNAND
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Correct answer: (D) NAND

Explanation

NAND (and NOR) are universal gates because any Boolean function, including NOT, AND and OR, can be built using only NAND gates.

From DSSSB PGT Computer Science PYQ (Technical), 11 Jul 2021

This is question 27 of DSSSB PGT Computer Science PYQ (Technical), 11 Jul 2021. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.