Computer Hardware Questions

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211.

How many DMA channels are in an AT-machine?

A

3

B

4

C

7

D

8

E

None of the above

Correct Answer: B

None.

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212.

Which provides the fastest data access time?

A

RAM

B

ROM

C

CD-ROM

D

Hard disk

E

None of the above

Correct Answer: A

None.

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213.

When configuring a new network interface card for installation, which of the following would be a valid I/O address?

A

378

B

2F8

C

3F8

D

360

E

None of the above

Correct Answer: D

None.

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214.

Which is NOT typically a Field Replaceable Unit?

A

System ROM

B

Power supply

C

System chasis

D

Video controller

E

None of the above

Correct Answer: C

None.

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215.

A human cannot feel a static discharge as high as _____ volts.

A

200

B

2000

C

10000

D

50000

E

50

Correct Answer: A

None.

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216.

What can you use to ensure power is not interrupted, resulting in corrupted data?

A

UPS

B

Proper grounding

C

Surge protector

D

Sag protector

E

None of the above

Correct Answer: A

None.

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217.

Which step should you perform first before discharging a CRT?

A

Remove the CRT from its housing

B

Disconnect the CRT from the computer

C

Remove the video assembly

D

Turn power off before removing power source

E

None of the above

Correct Answer: D

None.

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218.

What does the acronym RTS represent?

A

Required to save

B

Ready to start

C

Request to send

D

Right to separate

E

None of the above

Correct Answer: C

None.

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219.

Which is the easiest component to environmentally recycle?

A

Motherboards

B

CMOS batteries

C

Toner cartridges

D

Cathode ray tubes

E

None of the above

Correct Answer: C

None.

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220.

What problem can occur if a printer cable is to close to a power cable?

A

ESD Electrostatic Discharge

B

EMI Electromagnetic Interference

C

parity error

D

no affect

E

None of the above

Correct Answer: B

None.

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