Exercise: Sequential Logic Circuits

Questions for: Sequential Logic Circuits

When two counters are cascaded, the overall mod number is equal to the __________ of their individual mod numbers.
A:
product
B:
sum
C:
log
D:
reciprocal
Answer: A
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Ring and johnson counters are _______.
A:
asynchronous counters
B:
synchronous counters
C:
true binary counters
D:
asynchronous and true binary counters
Answer: B
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A _________ shift register can shift stored data either left or right.
A:
bidirectional
B:
tri-state
C:
universal
D:
bidirectional universal
Answer: D
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A sequence of equally spaced timing pulses may be easily generated by a(n) __________.
A:
ring counter
B:
johnson counter
C:
binary up counter
D:
ripple counter
Answer: A
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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: C
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