INTERVIEW QUESTIONS COMPUTER HARDWARE HARDWARE DESIGN DETAILS

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

Answer: 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.

Submitted by BOOTHI RAJ.P ( [email protected])

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.

Submitted by BOOTHI RAJ.P ( [email protected]) Source: CoolInterview.com

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