Testing and Troubleshooting - General Questions (2)

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Testing and Troubleshooting - General Questions

A +5 V PCB power source that has been "pulled down" to a +3.4 V level may be due to:

A.	a circuit open
B.	a faulty regulator
C.	the half-split method
D.	a circuit short

Answer: Option D

Explanation:

No answer description available for this question

10.

A logic probe is placed on the output of a gate and the display indicator is dim. A logic pulser is used on each of the input terminals, but the output indication does not change. What is wrong?

A.	The dim indication on the logic probe indicates that the supply voltage is probably low.
B.	The output of the gate appears to be open.
C.	The LOW indication is the result of a bad ground connection on the logic probe.
D.	The gate is a tri-state device.

Answer: Option B

Explanation:

No answer description available for this question

11.

The determination of a digital signal's frequency and waveshape is best accomplished with which test equipment?

A.	an oscilloscope
B.	a multimeter
C.	a spectrum analyzer
D.	a frequency generator

Answer: Option A

Explanation:

No answer description available for this question.

12.

A series of gradually decreasing sine wave oscillations is called:

A.	ringing
B.	slew
C.	overshooting
D.	undershooting

Answer: Option A

Explanation:

No answer description available for this question.

Testing and Troubleshooting - General Questions (2)

Testing and Troubleshooting - General Questions

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