Which of the following is a combinational circuit?

Which of the following is a combinational circuit?

  1. a) Counter
  2. b) Flip-flop
  3. c) Multiplexer
  4. d) Register

From the BCS Technical Cadre (CSE) October 2025 – 49th BCS Written (Special) (BPSC) exam, question 54 of 123.

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