Flip-Flops (SR, D, JK, T) MCQ

By: Prof. Dr. Fazal Rehman | Last updated: June 19, 2025

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1. : What is the primary function of a flip-flop in digital circuits?



2. : Which of the following is a characteristic feature of a flip-flop?



3. : What are the two inputs of an SR flip-flop?



4. : What is the output of an SR flip-flop if both Set (S) and Reset (R) inputs are LOW (0)?



5. : What is the output of an SR flip-flop if Set (S) input is HIGH (1) and Reset (R) input is LOW (0)?



6. : Which gate configuration is used to implement an SR flip-flop?



7. : What is the primary purpose of a D flip-flop in digital circuits?



8. : What are the two inputs of a D flip-flop?



9. : What is the output of a D flip-flop if the Data input is LOW (0) and the Clock input transitions from LOW to HIGH?



10. : Which gate configuration is used to implement a D flip-flop?



11. : What is the primary purpose of a JK flip-flop in digital circuits?



12. : What are the three inputs of a JK flip-flop?



13. : What is the output of a JK flip-flop if both J and K inputs are LOW (0) and the Clock input transitions from LOW to HIGH?



14. : Which gate configuration is used to implement a JK flip-flop?



15. : What is the primary purpose of a T flip-flop in digital circuits?



16. : What are the two inputs of a T flip-flop?



17. : What is the output of a T flip-flop if the T input is LOW (0) and the Clock input transitions from LOW to HIGH?



18. : Which gate configuration is used to implement a T flip-flop?



19. : What is the primary difference between an SR flip-flop and a D flip-flop?



20. : What is the primary difference between a JK flip-flop and a T flip-flop?



 

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