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Computer Aptitude

COMPUTER HARDWARE MCQs

Total Questions : 350 | Page 1 of 35 pages
Question 1. After displaying the directory of a floppy disk, a different floppy is inserted into the drive. The contents of the original floppy continue to display regardless of the director requests on the other floppies placed in the drive. You remove the drive in question and install it into your test system, and it does not exhibit the problem. You should next replace the:
  1.    System's floppy drive device driver
  2.    Original IDE controller
  3.    Floppy drive ribbon cable
  4.    System's power supply
  5.    None of the above
 Discuss Question
Answer: Option C. -> Floppy drive ribbon cable
Question 2. When you are testing a fuse, you should set the Volt-OHM meter to what scale?
  1.    AC
  2.    DC
  3.    AMPS
  4.    OHMS
  5.    None of the above
 Discuss Question
Answer: Option D. -> OHMS
Question 3. What is the best ground for a conductive work bench?
  1.    AC outlet
  2.    Ground to bench
  3.    To the motherboard
  4.    To the PC's Chassis
  5.    None of the above
 Discuss Question
Answer: Option A. -> AC outlet
Question 4. During boot-up, the memory test:
  1.    Is a superfluous step that should be ignored
  2.    Checks and verifies that contiguous memory is installed
  3.    Is an operational error
  4.    Displays what memory is installed, but nothing else
  5.    None of the above
 Discuss Question
Answer: Option A. -> Is a superfluous step that should be ignored
Question 5. A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do?
  1.    flash or upgrade the BIOS
  2.    check the CONFIG.SYS
  3.    add cdrw in the device manager
  4.    check the jumper setting on the cd-rw
  5.    None of the above
 Discuss Question
Answer: Option D. -> check the jumper setting on the cd-rw
Question 6. Which is the most difficult environmentally to dispose of?
  1.    floppy drives
  2.    hard drives
  3.    power supplies
  4.    CRTs
  5.    system boards
 Discuss Question
Answer: Option D. -> CRTs
Question 7. Resistance is measured:
  1.    in parallel
  2.    in series
  3.    after breaking the circuit
  4.    after checking voltage
  5.    after checking current
 Discuss Question
Answer: Option C. -> after breaking the circuit
Question 8. Which is LEAST likely to interfere with upgrading to a newer DOS Version?
  1.    ROM BIOS
  2.    Video controller
  3.    Compressed drives
  4.    Existing backup files
  5.    None of the above
 Discuss Question
Answer: Option B. -> Video controller
Question 9. How may standard levels of interrupts are provided on the 8-bit ISA bus (XT-class computer)?
  1.    4
  2.    8
  3.    12
  4.    16
  5.    None of the above
 Discuss Question
Answer: Option B. -> 8
Question 10. "Parity" errors usually indicate bad memory
  1.    True
  2.    FALSE
  3.    LPT2
  4.    The modem
  5.    None of the above
 Discuss Question
Answer: Option A. -> True

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