Counters - General Questions (4)

Directions to Solve

Counters - General Questions

25.

A MOD-16 synchronous counter has inputs labeled mcq12_1006_1 . These inputs would most probably be used to:

A.	reset the counter to 0000 at the end of each count cycle
B.	preset the counter to a value determined by the inputs any time the is active-HIGH
C.	preset the counter to a value determined by the inputs any time the is active-LOW
D.	reset the counter to 0000 any time is active-HIGH and is active-LOW

Answer: Option D

Explanation:

No answer description available for this question

26.

Any divide-by-N counter can be formed by using external gating to ________ at a predetermined number.

A.	HIGH
B.	reset
C.	LOW
D.	preset

Answer: Option B

Explanation:

No answer description available for this question

27.

The parallel outputs of a counter circuit represent the:

A.	parallel data word
B.	clock frequency
C.	counter modulus
D.	clock count

Answer: Option D

Explanation:

No answer description available for this question.

28.

Which of the following statements best describes the operation of a synchronous up-/down-counter?

A.	The counter can count in either direction, but must continue in that direction once started.
B.	The counter can be reversed, but must be reset before counting in the other direction.
C.	In general, the counter can be reversed at any point in its counting sequence.
D.	The count sequence cannot be reversed, once it has begun, without first resetting the counter to zero.

Answer: Option C

Explanation:

No answer description available for this questioN

29.

A 4-bit counter has a maximum modulus of ________.

A.	3
B.	6
C.	8
D.	16

Answer: Option D

Explanation:

No answer description available for this question.

30.

Referring to the given figure, at which point is the serial data transferred to the parallel output?

mcq7_1023_1 (1)

A.	W
B.	X
C.	Y
D.	Z

Answer: Option D

Explanation:

No answer description available for this question.

31.

A ripple counter's speed is limited by the propagation delay of:

A.	each flip-flop
B.	all flip-flops and gates
C.	the flip-flops only with gates
D.	only circuit gates

Answer: Option A

Explanation:

No answer description available for this question

32.

What is the difference between a 7490 and a 7493?

A.	7490 is a MOD-10, 7493 is a MOD-16
B.	7490 is a MOD-16, 7493 is a MOD-10
C.	7490 is a MOD-12, 7493 is a MOD-16
D.	7490 is a MOD-10, 7493 is a MOD-12

Answer: Option A

Explanation:

No answer description available for this question.

Counters - General Questions (4)

Counters - General Questions

Questions & Answers

Interviews

Jobs

Results

Admission

Admit Card

Answer Key