UTpaper

Free mock tests & test series

Question 142Asked in BPSC TRE 2.0 (2023) Computer Science Class 11-12

The Boolean expression AB + AB′ + A′C + AC is independent of Boolean variable

  1. AA
  2. BB
  3. CC
  4. DMore than one of the above
  5. ENone of the above
Show answerHide answer

Correct answer: (B) B

Explanation

AB + AB′ = A(B + B′) = A, and A + A′C + AC = A + C. The result A + C does not contain B.

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

This is question 142 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.