Which of the following Boolean expression correctly represents the given logic…

2022

Which of the following Boolean expression correctly represents the given logic circuit diagram?

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  1. A.

    (A + B) · C′

  2. B.

    A · B + C′

  3. C.

    A · C′ + B · C′

  4. D.

    (A + B)′ · C

Attempted by 441 students.

Show answer & explanation

Correct answer: B

Explanation (English): Inputs A and B go to an AND gate, producing A·B. Input C passes through a NOT gate, producing C′. Both outputs are combined using an OR gate, giving A·B + C′.

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