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Q.

Which device uses a DMA channel?

A

Modem

B

Network Card

C

Sound Card

D

All of the above

E

None of the above

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MCQ

1.

During preventative maintenance on a dot matrix printer, do NOT lubricate:

A

Platen assembly

B

Print head pulley

C

Print head pins

D

Paper advance gear bushings

E

None of the above

Discussion

MCQ

2.

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

Discussion

MCQ

3.

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

Discussion

MCQ

4.

In inkjet technology the droplets of ink are deflected by?

A

Electrically Charge Plate

B

Multi directional nozzle

C

High pressure jets

D

All of the above

E

None of the above

Discussion

MCQ

5.

14.4 modem should transmit _____ bits per second

A

14,400-15,000

B

140-150

C

1400-1500

D

140,000-150,000

E

None of the above

Discussion

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