Computer Hardware problems
- 1. How many devices can be used on a single SCSI bus? Keep in mind that the SCSI host adapter counts as a device.
Options- A. 1
- B. 8
- C. 20
- D. 10
- E. All of the above Discuss
Correct Answer: 8
- 2. Which of the following would be a logical first step in troubleshooting a PC?
Options- A. Check the computer CMOS
- B. Define the circumstances of the problem
- C. Call the vendor
- D. Define what applications are being used
- E. None of the above Discuss
Correct Answer: Define the circumstances of the problem
- 3. On a dot matrix printer, you should never lubricate which part?
Options- A. carriage rails
- B. printhead pins
- C. paper advance bearings
- D. carriage bearings
- E. None of the above Discuss
Correct Answer: printhead pins
- 4. The digital multimeter is set for DC, Ohm and 20k. You will read _____ while measuring a good 2 amp fuse.
Options- A. 0.00
- B. 0.02
- C. 0.20
- D. 2.00
- E. None of the above Discuss
Correct Answer: 0.00
- 5. To install a second IDE drive into a computer, you must:
Options- A. Set the master-slave jumper to slave on the second drive
- B. Use the IDE configuration software to set the new drive as slave
- C. Verify that you define the new drive as D: in the CMOS setup
- D. Verify that you attach the drive to the connector at the end of the ribbon cable
- E. None of the above Discuss
Correct Answer: Set the master-slave jumper to slave on the second drive
- 6. Which of the following FRUs would be considered both an input/output device?
Options- A. Video board
- B. SCSI host adapter
- C. System board CPU
- D. All of the above
- E. None of the above Discuss
Correct Answer: SCSI host adapter
- 7. What is the most significant difference between the USB and IEEE1394 standards?
Options- A. IEEE 1394 is faster
- B. USB does not support USB
- C. USB is plug and play
- D. IEEE 1394 is hot swappable
- E. None of the above Discuss
Correct Answer: IEEE 1394 is faster
- 8. Which should you use for cleaning Mylar-protected LCD screens?
Options- A. Ammonia window cleaner
- B. Non-abrasive cleanser
- C. Anti-static wipes
- D. Alcohol-impregnated wipes
- E. None of the above Discuss
Correct Answer: Non-abrasive cleanser
- 9. When is the risk for electrostatic discharge the greatest?
Options- A. Day time
- B. High humidity
- C. Low humidity
- D. Night time
- E. None of the above Discuss
Correct Answer: Low humidity
- 10. You have a PC with no video* Which of the following is LEAST likely to be causing the problem?
Options- A. defective RAM (bank zero)
- B. defective microprocessor
- C. crashed hard drive
- D. loose video card
- E. low AC outlet power Discuss
Correct Answer: crashed hard drive
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