Exercise: Digital Electronics

Questions for: Digital Electronics

With a JK master-slave flip-flop the master is clocked when the clock is __________ , and the slave is triggered when the clock is __________ .
A:
low, low
B:
high, low
C:
low, high
D:
high, high
Answer: B
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Which of the following pairs of octal and binary numbers are not equal?
A:
111 110112 = 7678
B:
1101101012 = 6658
C:
110102 = 38
D:
10101.112 = 25.68
Answer: C
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In a Karnaugh map for an expression having 'don't care terms' the don't cares can be treated as
A:
0
B:
1
C:
1 or 0
D:
none of the above
Answer: C
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If tp is the pulse width, Δt is the propagation delay, T is period of pulse train then the following condition can avoid the race around condition
A:
tp = Δt = T
B:
2tp > Δt > T
C:
tp < Δt < T
D:
tp < Δt < T
Answer: C
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Read cycle is always followed by (during instructions execution)
A:
read cycle
B:
write cycle
C:
delete signal
D:
none of these
Answer: B
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