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Computer Aptitude

COMPUTER HARDWARE MCQs

Total Questions : 350 | Page 3 of 35 pages
Question 21. What is modified when changing the system start-up boot sequence?
  1.    BIOS/CMOS
  2.    CONFIG.SYS
  3.    autoexec.bat
  4.    COMMAND.COM
  5.    None of the above
 Discuss Question
Answer: Option A. -> BIOS/CMOS
Question 22. Which is NOT typically a Field Replaceable Unit?
  1.    System ROM
  2.    Power supply
  3.    System chassis
  4.    Video controller
  5.    None of the above
 Discuss Question
Answer: Option C. -> System chassis
Question 23. What are the most likely conditions for ESD?
  1.    Cold and wet
  2.    Cold and dry
  3.    Hot and wet
  4.    Hot and dry
  5.    None of the above
 Discuss Question
Answer: Option B. -> Cold and dry
Question 24. In which mode can two or more applications be stored in memory at the same time?
  1.    Segmented Mode
  2.    Unprotected Mode
  3.    Real Mode
  4.    Protected Mode
  5.    None of the above
 Discuss Question
Answer: Option D. -> Protected Mode
Question 25. How does a parallel port communicate information to a peripheral device?
  1.    one bit at a time
  2.    8 bytes at a time
  3.    one byte at a time
  4.    16,555 bytes at a time
  5.    None of the above
 Discuss Question
Answer: Option C. -> one byte at a time
Question 26. You suspect a virus has entered your computer. What will not be affected by the virus?
  1.    CMOS
  2.    Boot sector
  3.    Floppy disks
  4.    Program files
  5.    None of the above
 Discuss Question
Answer: Option A. -> CMOS
Question 27. On PC power supplies, the wire attached to pin one is usually:
  1.    blue or red
  2.    blue or white
  3.    red or black
  4.    red or white
  5.    white or orange
 Discuss Question
Answer: Option E. -> white or orange
Question 28. To find out how much memory is available, you could type _____
  1.    EMM
  2.    MEM
  3.    CHKDSK
  4.    MEMMAKER
  5.    None of the above
 Discuss Question
Answer: Option B. -> MEM
Question 29. When seeking to upgrade for a particular motherboard what do you need to know?
  1.    memory
  2.    hard drive
  3.    make & model
  4.    dimm
  5.    None of the above
 Discuss Question
Answer: Option C. -> make & model
Question 30. What is the size of a sector?
  1.    512 bytes
  2.    256 bytes
  3.    512 Kb
  4.    1024 bytes
  5.    None of the above
 Discuss Question
Answer: Option A. -> 512 bytes

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