Computer Hardware Questions

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171.

What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?

A

Replacing the ribbon

B

Replacing the timing belt

C

Adjusting the paper feed tension

D

Adjusting the tractor feed tension

E

None of the above

Correct Answer: A

None.

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172.

If the voltage on pin 1 of the power supply is not in the range of _____ volts, the PC will not boot.

A

Oct-20

B

01-May

C

50 - 110

D

15 - 25

E

2.5 - 5

Correct Answer: E

None.

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173.

What are the most likely conditions for ESD?

A

Hot and dry

B

Hot and wet

C

Cold and dry

D

Cold and wet

E

None of the above

Correct Answer: B

None.

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174.

What is the i/o address for com3?

A

300000000

B

345

C

ff8

D

500000000

E

be8

Correct Answer: A

None.

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175.

The following process determines the amount of memory present, the date/ time, and which communications ports and display adapters are installed in a microcomputer?

A

Start-up utility test

B

Power on Self Test

C

Power up boot process

D

Power on start up process

E

None of the above

Correct Answer: B

None.

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176.

In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.

A

Last 64k of conventional

B

Last 64k of extended

C

First 64k above conventional

D

First 64k of extended

E

None of the above

Correct Answer: D

None.

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177.

In addition to I/O port addresses, SCSI adapters also use a range of ROM addresses for their onboard BIOS.

A

True

B

FALSE

C

9 pin female port

D

25 pin male port

E

None of the above

Correct Answer: A

None.

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178.

COM1 is typically represented by which of the following?

A

15 pin port

B

9 pin male port

C

9 pin female port

D

25 pin male port

E

None of the above

Correct Answer: B

None.

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179.

A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?

A

l0Mhz

B

25Mhz

C

50Mhz

D

100 Mhz

E

None of the above

Correct Answer: B

None.

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180.

A capacitor is measured in which of the following units?

A

Volts

B

Ohms

C

Farads

D

Resistance

E

None of the above

Correct Answer: C

None.

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