Exercise: Multivibrators And 555 Timer

Questions for: Multivibrators And 555 Timer

A single Schmitt trigger inverter is all that is needed to build a simple astable multivibrator.
A:
True
B:
False
C:
D:
Answer: B
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The 74S124 TTL chip is a voltage-controlled oscillator that will generate a specific frequency at Vout.
A:
True
B:
False
C:
D:
Answer: B
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A comparator simply outputs a HIGH or LOW based on a comparison of the voltage levels at its input.
A:
True
B:
False
C:
D:
Answer: A
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In the 74121, which is nonretriggerable, any triggers that come in before the end of the timing cycle are ignored.
A:
True
B:
False
C:
D:
Answer: A
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When extremely critical timing is required, a quartz crystal can be used.
A:
True
B:
False
C:
D:
Answer: A
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