Exercise: Counters

Questions for: Counters

A 4-bit up/down binary counter is in the DOWN mode and in the 1100 state. To what state does the counter go on the next clock pulse?
A:
1101
B:
1011
C:
1111
D:
0000
Answer: B
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The final output of a modulus-8 counter occurs one time for every ________.
A:
8 clock pulses
B:
16 clock pulses
C:
24 clock pulses
D:
32 clock pulses
Answer: A
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An asynchronous 4-bit binary down counter changes from count 2 to count 3. How many transitional states are required?
A:
None
B:
One
C:
Two
D:
Fifteen
Answer: D
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Three cascaded modulus-5 counters have an overall modulus of ________.
A:
5
B:
25
C:
125
D:
500
Answer: C
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Once an up-/down-counter begins its count sequence, it cannot be reversed.
A:
True
B:
False
C:
D:
Answer: B
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