For two inputs A and B, the output of AND gate is HIGH if _________.

2017

For two inputs A and B, the output of AND gate is HIGH if _________.

  1. A.

    A=B=1

  2. B.

    A=0, B=0

  3. C.

    A=1, B=0

  4. D.

    A=0, B=1

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Correct answer: A

An AND gate gives a HIGH (1) output only when all its inputs are HIGH (1). If any input is LOW (0), the output is LOW (0). Therefore, for inputs A and B, the output is HIGH only when A=1 and B=1. Correct option is A.

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