For a two-input XOR gate, when is the output equal to 1?

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Multiple Choice

For a two-input XOR gate, when is the output equal to 1?

Explanation:
XOR gates are designed to indicate a difference between their inputs. For two inputs, the output is high (1) only when the inputs differ—that is, one is 1 and the other is 0. If both inputs are 0, the output is 0, and if both inputs are 1, the output is also 0. This behavior is equivalent to adding the two bits modulo 2. So the output equals 1 only when exactly one input is 1.

XOR gates are designed to indicate a difference between their inputs. For two inputs, the output is high (1) only when the inputs differ—that is, one is 1 and the other is 0. If both inputs are 0, the output is 0, and if both inputs are 1, the output is also 0. This behavior is equivalent to adding the two bits modulo 2. So the output equals 1 only when exactly one input is 1.

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