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Question 146Asked in BPSC TRE 2.0 (2023) Computer Science Class 11-12

If x is a Boolean variable, then (((x′)′)′)′ will be

  1. Ax′
  2. Bx
  3. Cx + x′
  4. DMore than one of the above
  5. ENone of the above
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Correct answer: (B) x

Explanation

There are four complements in a row, an even number, so they cancel out and the result is x.

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

This is question 146 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.