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Question 38

The truth table corresponding to the circuit given below is

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Solution

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$$\text{Output of OR gate} = A + B$$

$$C = A \cdot (A + B)$$

$$C = (A \cdot A) + (A \cdot B)$$

$$C = A + (A \cdot B)$$

$$C = A \cdot (1 + B)$$

$$C = A$$

Hence, option (B) correctly satisfies this condition.

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