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Question 20Asked in DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3

Which of the following represents XNOR gate?

  1. AY = A ⊕ B
  2. BY = A ⊙ B
  3. CY = (A + B)'
  4. DY = (AB)'
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Correct answer: (B) Y = A ⊙ B

Explanation

XNOR is the equivalence function, written Y = A ⊙ B. A ⊕ B is XOR, (A + B)' is NOR and (AB)' is NAND.

From DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3

This is question 20 of DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3. 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.