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Question 145Asked in BPSC TRE 2.0 (2023) Computer Science Class 11-12

The Boolean expression x(x + y) is equal to

  1. Ax
  2. By
  3. Cxy
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (A) x

Explanation

By absorption, x(x + y) = x + xy = x.

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

This is question 145 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.