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Previous Year Question (PYQs)



Half adder has

(a) two input two output

(b) one input two output

(c) two input one output

(d) one input one output






Solution

A Half Adder is a combinational circuit used to add two binary bits.

Inputs: A, B → 2 inputs
Outputs: Sum (S) and Carry (C) → 2 outputs

Sum = A ⊕ B
Carry = A · B



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