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For the logic circuit shown, the truth table is:

1. A B Y 0 0 0 0 1 1 1 0 1 1 1 1
2. A B Y 0 0 1 0 1 1 1 0 1 1 1 0
3. A B Y 0 0 1 0 1 0 1 0 0 1 1 0
4. A B Y 0 0 0 0 1 0 1 0 0 1 1 1

Correct answer: A B Y 0 0 1 0 1 1 1 0 1 1 1 0

Solution

The truth table corresponds to a NAND gate, where the output is 1 except when both inputs are 1. Option B matches this behavior.

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