Computer Science - Computer Hardware

1. 

What's the best way to protect your hard drive data?

A. regular backups
B. periodically defrag it
C. run chkdsk at least once a week
D. run scandisk at least once a week
E. run a regular diagnostic

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

2. 

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

A. carriage rails
B. printhead pins
C. paper advance bearings
D. carriage bearings
E. None of the above

Answer: Option B

Explanation:

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3. 

How many devices can be used on a single SCSI bus? Keep in mind that the SCSI host adapter counts as a device.

A. 1
B. 8
C. 20
D. 10
E. All of the above

Answer: Option B

Explanation:

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4. 

Match the device driver HIMEM.SYS to its operation.

A. Supports (ANSI) terminal emulation
B. Manages the use of extended memory
C. Uses expanded memory on a 80386 processor
D. Supports code page switching
E. None of the above

Answer: Option B

Explanation:

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5. 

_____ help prevent power surges.

A. Surge suppressor
B. Spike protector
C. UPS system
D. High-grade multi-meter
E. None of the above

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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