Digital Electronics - ECE Questions and Answers

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Which of the following gates are required to build a half adder

EX-OR gate and NOR gate

EX-OR gate and OR gate

EX-OR gate and AND gate

Four NAND gates.

Answer : Option C

Explanation :

The gates required to build a half adder are EX-OR gate and AND gate The below figure shows the logic diagram of half adder.

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