Flip-Flops - General Questions (4)

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Flip-Flops - General Questions

25.

The output pulse width for a 555 monostable circuit with R₁ = 3.3 k and C₁ = 0.02 F is ________.

A.	7.3 s
B.	73 s
C.	7.3 ms
D.	73 ms

Answer: Option B

Explanation:

No answer description available for this question.

26.

On a J-K flip-flop, when is the flip-flop in a hold condition?

A.	J = 0, K = 0
B.	J = 1, K = 0
C.	J = 0, K = 1
D.	J = 1, K = 1

Answer: Option A

Explanation:

No answer description available for this question.

27.

An invalid condition in the operation of an active-HIGH input S-R latch occurs when ________.

A.	An invalid condition in the operation of an active-HIGH input S-R latch occurs when ________.
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: Option A

Explanation:

No answer description available for this question

28.

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: Option B

Explanation:

No answer description available for this question

29.

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: Option B

Explanation:

No answer description available for this question

30.

To completely load and then unload an 8-bit register requires how many clock pulses?

A.	2
B.	4
C.	6
D.	8

Answer: Option D

Explanation:

No answer description available for this question

31.

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: Option B

Explanation:

No answer description available for this question

32.

A 555 operating as a monostable multivibrator has an R₁ of 220 k omega (6) . Determine C₁ for a pulse width of 4 ms.

A.	0.017 F
B.	17 pF
C.	170 pF
D.	1,700 F

Answer: Option A

Explanation:

No answer description available for this question

Flip-Flops - General Questions (4)

Flip-Flops - General Questions

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