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If A and B are the inputs of a half adder, the sum is given by __________

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If A and B are the inputs of a half adder, the sum is given by __________

(a) A AND B

(b) A OR B

(c) A XOR B

(d) A EX-NOR B

The question was asked in an online quiz.

I'm obligated to ask this question of Half Adder & Full Adder in chapter Arithmetic Circuits of Digital Circuits

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Correct option is (c) A XOR B

The explanation is: If A and B are the inputs of a half adder, the sum is given by A XOR B, while the carry is given by A AND B.

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