Computer Science - Computer Hardware

16. 

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
E. speaker

Answer: Option E

Explanation:

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

17. 

Which peripheral port provides the FASTEST throughput to laser printers?

A. RS-232
B. SCSI
C. Parallel
D. Serial
E. None of the above

Answer: Option C

Explanation:

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18. 

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
E. None of the above

Answer: Option A

Explanation:

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19. 

Voltage is measured:

A. in parallel
B. in series
C. after breaking the circuit
D. after checking resistance
E. after checking current

Answer: Option A

Explanation:

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20. 

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
E. None of the above

Answer: Option B

Explanation:

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