COMPUTER HARDWARE QUIZ

What is the modem hang up command?

ATHU

ATX

ATZ

ATH

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

Defective monitor

System RAM problem

Defect in the computers video circuitry

None of these

Disconnected video cable

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Which device should not be plugged into a standard ups?

monitor

ink-jet printer

None of these

laser printer

an external modem

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From what location are the 1st computer instructions available on boot up?

boot.ini

CONFIG.SYS

None of these

ROM BIOS

CPU

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How many devices does USB support?

125

100

225

127

None of these

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

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

Boiling ink

Motorized pump

Crystal

Screens deflect ink on the paper into the proper positions

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What is the i/o address for com1?

300000000

5f8

8

3bc

3f8

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In inkjet technology the droplets of ink are deflected by?

Electrically Charge Plate

None of these

All of these

High pressure jets

Multi directional nozzle

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14.4 modem should transmit _____ bits per second

140-150

1400-1500

14,400-15,000

140,000-150,000

None of these

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On a dot matrix printer, you should never lubricate which part?

printhead pins

carriage bearings

None of these

carriage rails

paper advance bearings

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