Exercise: Computer Hardware

Questions for: Computer Hardware

Your customer tells you the print quality of their dot matrix printer is light then dark. Which of the following could cause the problem.
A:
Paper slippage
B:
Improper ribbon advancement
C:
Paper thickness
D:
Head position
Answer: B
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Voltage is measured:
A:
in parallel
B:
in series
C:
after breaking the circuit
D:
after checking resistance
Answer: A
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The mouse pointer moves erratically, what is the possible cause? The mouse
A:
ball is dirty
B:
is not connected
C:
driver is not installed properly
D:
has an incorrect IRQ setting
Answer: A
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Which peripheral port provides the FASTEST throughput to laser printers?
A:
RS-232
B:
SCSI
C:
Parallel
D:
Serial
Answer: C
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Most PCs give a single beep on bootup to indicate they are ok hardware wise. You boot your PC and don't get a beep. What should you check first?
A:
system board
B:
RAM
C:
microprocessor
D:
power supply
Answer: E
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