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If A and B are the inputs of a half adder, the carry is given by __________(a) A AND B(b) A OR B(c) A XOR B(d) A EX-NOR BI got this question during an internship interview.This is a very interesting question from Half Adder & Full Adder topic in chapter Arithmetic Circuits of Digital Circuits

Answer» RIGHT choice is (a) A AND B

To explain: If A and B are the inputs of a HALF adder, the CARRY is given by: A(AND)B, while the sum is given by A XOR B.


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