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Question 151Asked in DSSSB TGT Computer Science, 25 Jun 2023, Shift 1 (8:30 AM)

Which of the following algebraic functions represents NAND gate?

  1. A(xy)'
  2. B(x+y)'
  3. Cx+y
  4. Dx*y
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Correct answer: (A) (xy)'

Explanation

NAND is NOT-AND, so its output is (xy)'. (x+y)' is NOR, x+y is OR and xy is AND.

From DSSSB TGT Computer Science PYQ, 25 Jun 2023, Shift 1 (8:30 AM)

This is question 151 of DSSSB TGT Computer Science PYQ, 25 Jun 2023, Shift 1 (8:30 AM). 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.