Computer Hardware Questions

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161.

How is ink transferred to paper in common ink jet printers?

A

Boiling ink

B

Crystal

C

Motorized pump

D

Screens deflect ink on the paper into the proper positions

E

Ink is sprayed on to the paper and managed by a nozzle

Correct Answer: B

None.

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162.

Which component must be vacuumed or replaced during preventative maintenance on a laser printer?

A

Scanning mirror

B

Toner cartridge

C

Ozone filter

D

All of the above

E

None of the above

Correct Answer: C

None.

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163.

Which controller would support an external CD-ROM drive?

A

ESDI

B

ARLL

C

MFM

D

SCSI

E

None of the above

Correct Answer: D

None.

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164.

In inkjet printers, what is the most common problem with the paper tray?

A

inconsistent printing

B

malfunctioning pick-up rollers

C

misalignment of the sheet feeder

D

paper jamming on the ink cartridge

E

None of the above

Correct Answer: B

None.

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165.

A customer calls and says her computer won't boot, she can hear noises and can see lights on the box, but nothing comes up on the screen, what should you take to the site to fix the problem?

A

hard drive

B

video card

C

power cable

D

power supply

E

None of the above

Correct Answer: B

None.

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166.

The DC voltage on most circuit boards is:

A

-12 volts

B

0 volts

C

+5 volts

D

+12 volts

E

None of the above

Correct Answer: C

None.

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167.

On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:

A

Platten bearings

B

Carriage rails

C

Printhead

D

Paper advance bearings

E

None of the above

Correct Answer: C

None.

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168.

The buffers statement is found in what file?

A

Config.sys

B

Autoexec.ncf

C

Autoexec.bat

D

Neb.cfg

E

None of the above

Correct Answer: A

None.

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169.

What configuration should a Volt-Ohm meter he set to when testing a fuse?

A

DC volts

B

AC volts

C

Amperage

D

Ohms

E

None of the above

Correct Answer: D

None.

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170.

What voltage does a 586 system use?

A

+12 volts

B

+ 5 volts

C

+ 8 volts

D

+3.3 volts

E

None of the above

Correct Answer: B

None.

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