Exercise: Computer Hardware

Questions for: Computer Hardware

What device prevents power interruptions, resulting in corrupted data?
A:
Battery back-up unit
B:
Surge protector
C:
Multiple SIMMs strips
D:
Data guard system
Answer: A
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A modem could be attached to which port?
A:
Parallel port
B:
ASYNC port
C:
Keyboard connector
D:
Video port
Answer: A
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When is the risk for electrostatic discharge the greatest?
A:
Day time
B:
High humidity
C:
Low humidity
D:
Night time
Answer: C
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Which device uses a DMA channel?
A:
Modem
B:
Network Card
C:
Sound Card
D:
All of the above
Answer: C
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Which component must be vacuumed or replaced during preventative maintenance on a laser printer?
A:
Scanning mirror
B:
Toner cartridge
C:
Ozone filter
D:
All of the above
Answer: C
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