Hardware Design Interview Question:

Give the truth table for a Half Adder. Give a gate level implementation of the same.

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TRUTH TABLE FOR HALF ADDER:

A B SUM CARRY
0 0 0 0
0 1 1 0
1 0 1 0
1 1 0 1

IMPLEMENTATION:

For SUM, The two inputs A and B are given to XOR gate.

For Carry, The two inputs A and B are given to AND gate.
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