Which gate is represented by the following truth table?

2021

Which gate is represented by the following truth table?

image.png

  1. A.

    OR

  2. B.

    AND

  3. C.

    NAND

  4. D.

    NOR

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Show answer & explanation

Correct answer: B

To identify the logic gate from the truth table, analyze the output for all possible input combinations. Step 1: When A = 0 and B = 0, output = 0. Step 2: When A = 0 and B = 1, output = 0. Step 3: When A = 1 and B = 0, output = 0. Step 4: When A = 1 and B = 1, output = 1. This behavior matches the AND gate, where the output is 1 only when both inputs are 1.

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