A D flip-flop is having three inputs D, CLK and CLR. Which input is asynchronous?

A D flip-flop is having three inputs D, CLK and CLR. Which input is asynchronous?

  1. a) D
  2. b) CLK
  3. c) CLR
  4. d) None

From the BUET MSC (ICT) July 2021 – MCQ exam, question 21 of 57.

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