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Question
What is the size of the reserved memory area?
Options
A. 64 kb
B. 384 kb
C. 640 kb
D. 1024 kb
E. None of the above
Correct Answer
384 kb
Computer Hardware problems
Search Results
1. A parity error usually indicates a problem with:
Options
A. memory
B. hard drive
C. hard drive controller
D. I/O controller
E. power supply
Show Answer
Scratch Pad
Discuss
Correct Answer: memory
2. One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:
Options
A. The device that sends the monitor signals telling it what to display
B. The area that regulates all of the system power usage
C. The area where all the of the Basic input/output routines are stored
D. The area where all of the processing takes place
E. None of the above
Show Answer
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Discuss
Correct Answer: The area where all of the processing takes place
3. Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?
Options
A. reverse vacuum
B. any small vacuum device
C. blow real hard on the system board
D. use a lint-free cloth and wipe gently
E. non-static compressed air
Show Answer
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Discuss
Correct Answer: non-static compressed air
4. What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?
Options
A. Replacing the ribbon
B. Replacing the timing belt
C. Adjusting the paper feed tension
D. Adjusting the tractor feed tension
E. None of the above
Show Answer
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Discuss
Correct Answer: Replacing the ribbon
5. What is your first action when windows reports that your hard drive is developing bad sectors?
Options
A. replace the hard drive
B. run secclean from dos
C. run defrag on the hard drive
D. run scandisk with the "thorough" option
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: run scandisk with the "thorough" option
6. What should you replace if the brightness or contrast adjustments were malfunctioning on a laptop?
Options
A. fuse
B. led display
C. adjustment switch
D. led display cable
E. None of the above
Show Answer
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Discuss
Correct Answer: led display
7. How many DMA channels are there in an AT class PC?
Options
A. 3
B. 4
C. 7
D. 8
E. None of the above
Show Answer
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Discuss
Correct Answer: 8
8. IDE cables have how many pins?
Options
A. 25
B. 50
C. 100
D. 40
E. 65
Show Answer
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Discuss
Correct Answer: 40
9. A capacitor is measured in which of the following units?
Options
A. Volts
B. Ohms
C. Farads
D. Resistance
E. None of the above
Show Answer
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Discuss
Correct Answer: Farads
10. COM1 is typically represented by which of the following?
Options
A. 15 pin port
B. 9 pin male port
C. 9 pin female port
D. 25 pin male port
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 9 pin male port
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