ETC EngineeringMCQs
Home › Digital Electronics › The excitation required for an SR flip-flop to change from Q = 0 to Q(next) = 1 is?
MCQ Practice Question
Digital ElectronicsFlip-Flops

The excitation required for an SR flip-flop to change from Q = 0 to Q(next) = 1 is?

  • AS = 0, R = 0
  • BS = 0, R = 1
  • CS = 1, R = 0
  • DS = 1, R = 1
Report an error
Correct Answer: C. S = 1, R = 0
Explanation: To set an SR flip-flop from 0 to 1, the set input is asserted and reset is deasserted: S = 1, R = 0.
Reference: Standard digital electronics: SR flip-flop excitation
Continue practicing: Digital Electronics MCQs or browse all MCQs.