Exercise: Flip Flops

Questions for: Flip Flops

An invalid condition in the operation of an active-HIGH input S-R latch occurs when ________.
A:
HIGHs are applied simultaneously to both inputs S and R
B:
LOWs are applied simultaneously to both inputs S and R
C:
a LOW is applied to the S input while a HIGH is applied to the R input
D:
a HIGH is applied to the S input while a LOW is applied to the R input
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Which of the following best describes the action of pulse-triggered FF's?
A:
The clock and the S-R inputs must be pulse shaped.
B:
The data is entered on the leading edge of the clock, and transferred out on the trailing edge of the clock.
C:
A pulse on the clock transfers data from input to output.
D:
The synchronous inputs must be pulsed.
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
To completely load and then unload an 8-bit register requires how many clock pulses?
A:
2
B:
4
C:
8
D:
16
Answer: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
What is one disadvantage of an S-R flip-flop?
A:
It has no enable input.
B:
It has an invalid state.
C:
It has no clock input.
D:
It has only a single output.
Answer: B
No answer description is available. Let's discuss.
📖
📝
💬
👁️
A 555 operating as a monostable multivibrator has an R1 of 220 k. Determine C1 for a pulse width of 4 ms.
A:
0.017 F
B:
17 pF
C:
170 pF
D:
1,700 F
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz