Flip-Flops Quiz | VLSI Trainers

Flip-Flops Quiz

1. A flip-flop differs from a latch because:
  • a) A flip-flop is edge-triggered, whereas a latch is level-sensitive
  • b) A flip-flop can store more bits
  • c) A latch uses fewer transistors
  • d) A flip-flop is asynchronous always
2. In a master-slave D flip-flop, when the clock is high, which stage is active?
  • a) Master stage
  • b) Slave stage
  • c) Both master and slave
  • d) None
3. If in a JK flip-flop, J = K = 1, what is the behavior?
  • a) Set
  • b) Reset
  • c) Toggle
  • d) No change
22. What is the hold time requirement of a flip-flop?
  • a) Input must remain stable for some time before clock edge
  • b) Input must remain stable for some time after clock edge
  • c) Output must be stable during clock high
  • d) Output must toggle immediately
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