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Computer Aptitude

COMPUTER HARDWARE MCQs

Total Questions : 350 | Page 16 of 35 pages
Question 151. What is the size of the reserved memory area?
  1.    64 kb
  2.    384 kb
  3.    640 kb
  4.    1024 kb
  5.    None of the above
 Discuss Question
Answer: Option B. -> 384 kb
Question 152. Which would you have to upgrade to install an EIDE drive?
  1.    RAM BIOS
  2.    A 286 CPU
  3.    Controller board
  4.    ISA motherboard
  5.    None of the above
 Discuss Question
Answer: Option C. -> Controller board
Question 153. 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?
  1.    reverse vacuum
  2.    any small vacuum device
  3.    blow real hard on the system board
  4.    use a lint-free cloth and wipe gently
  5.    non-static compressed air
 Discuss Question
Answer: Option E. -> non-static compressed air
Question 154. A parity error usually indicates a problem with:
  1.    memory
  2.    hard drive
  3.    hard drive controller
  4.    I/O controller
  5.    power supply
 Discuss Question
Answer: Option A. -> memory
Question 155. What is the i/o address for com1?
  1.    3e8
  2.    3bc
  3.    5f8
  4.    3f8
  5.    8
 Discuss Question
Answer: Option D. -> 3f8
Question 156. The monitor power LED is 'on' but the monitor screen is completely dark. The least likely cause of the problem is:
  1.    Defect in the computers video circuitry
  2.    Disconnected video cable
  3.    Defective monitor
  4.    System RAM problem
  5.    None of the above
 Discuss Question
Answer: Option D. -> System RAM problem
Question 157. You are about to install a second IDE hard drive in a PC that has only one IDE adapter. Your first hard drive will still be the boot drive. How should the second drive be configured?
  1.    as a master
  2.    as a secondary
  3.    as a slave
  4.    as a primary
  5.    as auto-select
 Discuss Question
Answer: Option C. -> as a slave
Question 158. What is your first action when windows reports that your hard drive is developing bad sectors?
  1.    replace the hard drive
  2.    run secclean from dos
  3.    run defrag on the hard drive
  4.    run scandisk with the "thorough" option
  5.    None of the above
 Discuss Question
Answer: Option D. -> run scandisk with the "thorough" option
Question 159. In laser technology, what happens during the transfer stage?
  1.    Residual toner is transferred to the waste receptacle
  2.    The laser transfers the image from the drum to the paper.
  3.    The image is transferred from the drum to the paper
  4.    A negative charge is transferred to the surface of the drum
  5.    None of the above
 Discuss Question
Answer: Option C. -> The image is transferred from the drum to the paper
Question 160. Resistance is measured in units of:
  1.    ohms
  2.    farads
  3.    helids
  4.    amperes
  5.    volts
 Discuss Question
Answer: Option A. -> ohms

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