Computer Hardware Questions

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181.

Which device uses a DMA channel?

A

Modem

B

Network Card

C

Sound Card

D

All of the above

E

None of the above

Correct Answer: C

None.

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182.

Which REQUIRES an anti-static bag for transport?

A

Monitor

B

Floppy disks

C

Power supply

D

I/O controller

E

None of the above

Correct Answer: D

None.

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183.

Static electricity thrives is which type of environment?

A

cold and humid

B

warm and humid

C

warm and dry

D

cold and warm

E

cold and dry

Correct Answer: E

None.

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184.

ESD potential decreases with the use of:

A

De-ionizing fans

B

A wrist strap

C

Rubber gloves with matching cap

D

A static meter

E

None of the above

Correct Answer: B

None.

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185.

With a dot matrix printer, light then dark print is most commonly caused by:

A

Erratic paper advancement

B

Erratic ribbon advancement

C

Misalligned print head

D

Overheating print head

E

None of the above

Correct Answer: B

None.

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186.

How many DMA channels are there in an AT class PC?

A

3

B

4

C

7

D

8

E

None of the above

Correct Answer: D

None.

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187.

A wrist grounding strap contains which of the following:

A

Surge protector

B

Capacitor

C

Voltmeter

D

Resistor

E

None of the above

Correct Answer: D

None.

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188.

Every video card must have?

A

CMOS

B

RAM

C

CPU

D

All of the above

E

None of the above

Correct Answer: B

None.

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189.

What is the jumper setting on a SCSI device to configure it to use the fourth SCSI id? Remember, SCSI ids start with zero.

A

10

B

110

C

11

D

101

E

1

Correct Answer: C

None.

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190.

What tool is used to test serial and parallel ports?

A

high volt probe

B

cable scanner

C

loop backs (wrap plugs)

D

sniffer

E

None of the above

Correct Answer: C

None.

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