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Question 141Asked in BPSC TRE 2.0 (2023) Computer Science Class 11-12

The Boolean expression x + x′y equals

  1. Ax + y
  2. Bx + xy
  3. Cy + yx
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (A) x + y

Explanation

x + x′y = (x + x′)(x + y) = 1·(x + y) = x + y, using the distributive law.

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

This is question 141 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.