Computer Hardware Questions

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104.

The floppy drive uses which DMA (direct memory access) channel?

A

5

B

4

C

1

D

9

E

2

Correct Answer: E

None.

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105.

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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106.

A customer attached an external drive to his notebook computer but the computer is not recognizing it. What should be considered?

A

The cables are attached firmly

B

The external drive has been pre

C

The external drive was attached before the computer was on

D

The external drive is turned on

E

All of the above

Correct Answer: E

None.

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107.

"Parity" errors usually indicate bad memory.

A

True

B

FALSE

C

Logic probe

D

Capacitor

E

None of the above

Correct Answer: A

None.

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108.

What device protects against line deficiencies?

A

Surge protector

B

UPS

C

Logic probe

D

Capacitor

E

None of the above

Correct Answer: B

None.

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109.

Which monitor would provide the highest level of performance?

A

VGA

B

XGA

C

CGA

D

SVGA

E

None of the above

Correct Answer: D

None.

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110.

Which of the following items would require you to comply with EPA disposal guidelines?

A

Keyboard

B

System board

C

Power supply

D

Battery

E

None of the above

Correct Answer: D

None.

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