Computer Hardware(Engineering > Computer Science And Engineering ) Questions and Answers

Question 1. IRQ6 is typically reserved for:
  1.    The modem
  2.    The keyboard controller
  3.    The floppy
  4.    LPT2
Explanation:-
Answer: Option C. -> The floppy
Question 2. To install a second IDE drive into a computer, you must
  1.    Verify that you define the new drive as D: in the CMOS setup
  2.    Set the master-slave jumper to slave on the second drive
  3.    Use the IDE configuration software to set the new drive as slave
  4.    Verify that you attach the drive to the connector at the end of the ribbon cable
Explanation:-
Answer: Option B. -> Set the master-slave jumper to slave on the second drive
Question 3. What is the highest binary number that can be referred to on a three position jumper block?
  1.    7
  2.    6
  3.    4
  4.    1
Explanation:-
Answer: Option D. -> 1
Question 4. Which would you do first when troubleshooting a faulty monitor?
  1.    Power down the monitor, then turn it on again to see if that corrects the problem
  2.    Check its connections to the computer and power source
  3.    Power down the computer, then turn it on again to see if that corrects the problem
  4.    Use a meter to check the CRT and internal circuitry for continuity
Explanation:-
Answer: Option B. -> Check its connections to the computer and power source
Question 5. During boot-up, the memory test
  1.    Is an operational error
  2.    Checks and verifies that contiguous memory is installed
  3.    Is a superfluous step that should be ignored
  4.    Displays what memory is installed, but nothing else
Explanation:-
Answer: Option B. -> Checks and verifies that contiguous memory is installed
Question 6. Why does a successfully mapped network drive disappear every time you boot the computer?
  1.    The last drive was not set correctly
  2.    The map statement is not in the autoexec.bat file
  3.    The computer you are connected to has moved
  4.    You didn't click reconnect on log on
Explanation:-
Answer: Option B. -> The map statement is not in the autoexec.bat file
Question 7. To test for AC ripple on a PC power supply, you would set the volt/ohm meter for
  1.    AC voltage
  2.    Farad scale
  3.    DC voltage scale
  4.    OHM scale
Explanation:-
Answer: Option A. -> AC voltage
Question 8. What do you need to check serial and parallel port?
  1.    All of the listed here
  2.    Loopback plug
  3.    Port adapter
  4.    Logic probe
Explanation:-
Answer: Option B. -> Loopback plug
Question 9. You get a CMOS checksum error during bootup. What is most likely the cause?
  1.    power supply is bad
  2.    CMOS battery is nearing end of life
  3.    BIOS needs updating
  4.    hard drive types are incorrectly defined
Explanation:-
Answer: Option B. -> CMOS battery is nearing end of life
Question 10. You have a PC with no video* Which of the following is LEAST likely to be causing the problem?
  1.    low AC outlet power
  2.    defective RAM (bank zero)
  3.    crashed hard drive
  4.    defective microprocessor
Explanation:-
Answer: Option C. -> crashed hard drive
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