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Computer Science - Computer Hardware

Exercise : Computer Hardware - Section 2
1.
What's the best way to protect your hard drive data?
regular backups
periodically defrag it
run chkdsk at least once a week
run scandisk at least once a week
run a regular diagnostic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
On a dot matrix printer, you should never lubricate which part?
carriage rails
printhead pins
paper advance bearings
carriage bearings
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
How many devices can be used on a single SCSI bus? Keep in mind that the SCSI host adapter counts as a device.
1
8
20
10
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Match the device driver HIMEM.SYS to its operation.
Supports (ANSI) terminal emulation
Manages the use of extended memory
Uses expanded memory on a 80386 processor
Supports code page switching
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
_____ help prevent power surges.
Surge suppressor
Spike protector
UPS system
High-grade multi-meter
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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