Counters - General Questions (8)

Directions to Solve

Counters - General Questions

57.

To operate correctly, starting a ring counter requires:

A.	clearing one flip-flop and presetting all the others.
B.	clearing all the flip-flops.
C.	presetting one flip-flop and clearing all the others.
D.	presetting all the flip-flops.

Answer: Option C

Explanation:

No answer description available for this question.

58.

A seven-segment, common-anode LED display is designed for:

A.	all cathodes to be wired together
B.	one common LED
C.	a HIGH to turn off each segment
D.	disorientation of segment modules

Answer: Option C

Explanation:

No answer description available for this question

59.

The terminal count of a typical modulus-10 binary counter is ________.

A.	0000
B.	1010
C.	1001
D.	1111

Answer: Option D

Explanation:

No answer description available for this question.

60.

How many flip-flops are required to construct a decade counter?

A.	10
B.	8
C.	5
D.	4

Answer: Option D

Explanation:

No answer description available for this question

61.

The circuit given below has no output on Q₁when examined with an oscilloscope. All J-K inputs are HIGH, the CLK signal is present, and the Q₀ is toggling. The C input of FF₁ is a constant LOW. What could be causing the problem?

mcq7_1010_

A.	The Q0 output should be connected to the J input of FF1.
B.	The output of FF0 may be shorted to ground.
C.	The input of FF1 may be shorted to ground.
D.	Either the output of FF0 or the input of FF1 may be shorted to ground.

Answer: Option D

Explanation:

No answer description available for this question

62.

A BCD counter is a ________.

A.	binary counter
B.	full-modulus counter
C.	decade counter
D.	divide-by-10 counter

Answer: Option C

Explanation:

No answer description available for this question.

63.

What decimal value is required to produce an output at "X" ?

mcq7_1009_1

A.	1
B.	1 or 4
C.	2
D.	5

Answer: Option D

Explanation:

No answer description available for this question

64.

Which segments of a seven-segment display would be required to be active to display the decimal digit 2?

A.	a, b, d, e, and g
B.	a, b, c, d, and g
C.	a, c, d, f, and g
D.	a, b, c, d, e, and f

Answer: Option A

Explanation:

No answer description available for this question

Counters - General Questions (8)

Counters - General Questions

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