Exercise: Flip Flops And Timers

Questions for: Flip Flops And Timers

The J-K flip-flop eliminates the RACE state when both the J and K inputs are HIGH.
A:
True
B:
False
C:
D:
Answer: A
No answer description is available. Let's discuss.
J-K flip-flops are often used as switch debouncers.
A:
True
B:
False
C:
D:
Answer: B
No answer description is available. Let's discuss.
The 555 timer can be used in either the bistable mode or the monostable mode.
A:
True
B:
False
C:
D:
Answer: B
No answer description is available. Let's discuss.
Which of the following describes the operation of a positive edge-triggered D-type flip-flop?
A:
If both inputs are HIGH, the output will toggle.
B:
The output will follow the input on the leading edge of the clock.
C:
When both inputs are LOW, an invalid state exists.
D:
The input is toggled into the flip-flop on the leading edge of the clock and is passed to the output on the trailing edge of the clock.
Answer: B
No answer description is available. Let's discuss.
What is the significance of the J and K terminals on the J-K flip-flop?
A:
There is no known significance in their designations.
B:
The J represents "jump," which is how the Q output reacts whenever the clock goes HIGH and the J input is also HIGH.
C:
The letters represent the initials of Johnson and King, the co-inventors of the J-K flip-flop.
D:
All of the other letters of the alphabet are already in use.
Answer: A
No answer description is available. Let's discuss.
Ad Slot (Above Pagination)
Quiz