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Question 27Asked in DSSSB TGT Computer Science (Technical), 1 Aug 2021, Shift 3

Simplify the following Boolean Expression? (1 + A)·(A + B)·(A' + B)

Simplify the following Boolean Expression? (1 + A)·(A + B)·(A' + B)
  1. AB
  2. BAB
  3. CA'B
  4. DA + B
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Correct answer: (A) B

Explanation

1 + A = 1, and (A + B)(A' + B) = B + AA' = B. So the expression simplifies to B.

From DSSSB TGT Computer Science PYQ (Technical), 1 Aug 2021, Shift 3

This is question 27 of DSSSB TGT Computer Science PYQ (Technical), 1 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.