Question 115

A positive-logic AND gate behaves as which gate in negative logic?

  1. AAND
  2. BOR
  3. CNAND
  4. DXOR
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Correct answer: (B) OR

Explanation

Swapping the meaning of 0 and 1 turns AND into OR (duality).

From DSSSB TGT Computer Science Full Mock Test 5

This is question 115 of DSSSB TGT Computer Science Full Mock Test 5. 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.