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Unit 2 · Computer System Architecture Paper 2 CS · December 2018

The Boolean expression Ā·B + A·B̄ + A·B is equivalent to

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Correct answer: D. A + B

Explanation

A·B̄ + A·B = A, so the expression is Ā·B + A = (A + Ā)(A + B) = A + B.

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