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A gate has the following truth table P | Q | R 1 | 1 | 1 1 | 0 | 0 0 | 1 | 0 0 | 0 | 0 The gate is

1. NAND
2. OR
3. AND
4. XOR

Correct answer: AND

Solution

The truth table corresponds to the AND gate, as the output R is 1 only when both inputs P and Q are 1.

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