Computer Hardware Questions

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151.

Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?

A

reverse vacuum

B

any small vacuum device

C

blow real hard on the system board

D

use a lint-free cloth and wipe gently

E

non-static compressed air

Correct Answer: E

None.

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152.

A parity error usually indicates a problem with:

A

memory

B

hard drive

C

hard drive controller

D

I/O controller

E

power supply

Correct Answer: A

None.

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153.

What is the i/o address for com1?

A

300000000

B

3bc

C

5f8

D

3f8

E

8

Correct Answer: D

None.

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154.

The monitor power LED is 'on' but the monitor screen is completely dark. The least likely cause of the problem is:

A

Defect in the computers video circuitry

B

Disconnected video cable

C

Defective monitor

D

System RAM problem

E

None of the above

Correct Answer: D

None.

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155.

You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?

A

as a master

B

as a secondary

C

as a slave

D

as a primary

E

as auto-select

Correct Answer: C

None.

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156.

What is your first action when windows reports that your hard drive is developing bad sectors?

A

replace the hard drive

B

run secclean from dos

C

run defrag on the hard drive

D

run scandisk with the "thorough" option

E

None of the above

Correct Answer: D

None.

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157.

In laser technology, what happens during the transfer stage?

A

Residual toner is transferred to the waste receptacle

B

The laser transfers the image from the drum to the paper.

C

The image is transferred from the drum to the paper

D

A negative charge is transferred to the surface of the drum

E

None of the above

Correct Answer: C

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158.

How many IRQs does a chain of USB devices require?

A

1

B

2

C

3

D

4

E

None of the above

Correct Answer: A

None.

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159.

Resistance is measured in units of:

A

ohms

B

farads

C

helids

D

amperes

E

volts

Correct Answer: A

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160.

Which provides the fastest data access time?

A

RAM

B

ROM

C

CD-ROM

D

Hard disk

E

Floppy disk

Correct Answer: A

None.

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