A half-adder circuit has:

A half-adder circuit has:

  1. a) 1 input, 2 outputs
  2. b) 2 inputs, 2 outputs
  3. c) 2 inputs, 1 output
  4. d) 3 inputs, 2 outputs

From the BCS Technical Cadre (CSE) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 6 of 123.

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