Exercise: Integrated Circuit Logic Families

Questions for: Integrated Circuit Logic Families

The HIGH logic level for a standard TTL output must be at least ________.
A:
2.4 V
B:
2 V
C:
0.8 V
D:
5 V
Answer: A
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A logic probe is placed on the input of a digital circuit and the probe lamp blinks slowly, indicating ________.
A:
that an open or bad logic level exists
B:
a high level output
C:
a high-frequency pulse train
D:
that the supply voltage is low
Answer: C
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A logic probe is placed on the output of a digital circuit and the probe lamp is dimly lit. This display indicates ________.
A:
that an open or bad logic level exists
B:
a high level output
C:
a high-frequency pulse train
D:
that the supply voltage is low
Answer: A
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________ is ideally suited for applications using battery power or battery backup power.
A:
MOS
B:
P-MOS
C:
N-MOS
D:
CMOS
Answer: D
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The ________ is defined as the maximum number of standard logic inputs that an output can drive reliably.
A:
fan-drive
B:
fan-out
C:
fan-in
D:
open-collector
Answer: B
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