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Question 149Asked in BPSC TRE 2.0 (2023) Computer Science Class 11-12

Which of the following logic gates is called universal gate?

  1. AAND
  2. BOR
  3. CNAND
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (C) NAND

Explanation

NAND (like NOR) is a universal gate, because AND, OR and NOT can all be built from NAND gates alone.

From BPSC TRE 2.0 (2023) Computer Science Class 11-12 — Previous Year Paper

This is question 149 of BPSC TRE 2.0 (2023) Computer Science Class 11-12 — Previous Year Paper. 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.