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- Question
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
- Correct Answer
- The area where all of the processing takes place
- 1. 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 Discuss
- 2. 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 Discuss
- 3. 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 Discuss
- 4. Which of the following statements is true?
Options- A. Two SCSI devices connected to a computer can have the same ID if they are both hard drives.
- B. Each SCSI device must have its own ID
- C. All SCSI devices must have the same ID
- D. SCSI ID's are irrelevant
- E. None of the above Discuss
- 5. Which provides the fastest data access time?
Options- A. RAM
- B. ROM
- C. CD-ROM
- D. Hard disk
- E. Floppy disk Discuss
- 6. 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 Discuss
- 7. 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 Discuss
- 8. 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 Discuss
- 9. 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 Discuss
- 10. IDE cables have how many pins?
Options- A. 25
- B. 50
- C. 100
- D. 40
- E. 65 Discuss
Computer Hardware problems
Search Results
Correct Answer: non-static compressed air
Correct Answer: Replacing the ribbon
Correct Answer: run scandisk with the "thorough" option
Correct Answer: Each SCSI device must have its own ID
Correct Answer: RAM
Correct Answer: memory
Correct Answer: 384 kb
Correct Answer: led display
Correct Answer: 8
Correct Answer: 40
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