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Computer Aptitude

COMPUTER HARDWARE MCQs

Total Questions : 350 | Page 22 of 35 pages
Question 211. COM 4 uses which I/O port?
  1.    2F8H
  2.    3F8H
  3.    3E8H
  4.    2E8H
  5.    None of the above
 Discuss Question
Answer: Option D. -> 2E8H
Question 212. What type of FRU is a SCSI host adapter?
  1.    CPU
  2.    I/O card
  3.    video card
  4.    hard drive
  5.    None of the above
 Discuss Question
Answer: Option B. -> I/O card
Question 213. How many DMA channels are in an AT-machine?
  1.    3
  2.    4
  3.    7
  4.    8
  5.    None of the above
 Discuss Question
Answer: Option B. -> 4
Question 214. Which provides the fastest data access time?
  1.    RAM
  2.    ROM
  3.    CD-ROM
  4.    Hard disk
  5.    None of the above
 Discuss Question
Answer: Option A. -> RAM
Question 215. A human cannot feel a static discharge as high as _____ volts.
  1.    200
  2.    2000
  3.    10000
  4.    50000
  5.    50
 Discuss Question
Answer: Option A. -> 200
Question 216. Which is NOT typically a Field Replaceable Unit?
  1.    System ROM
  2.    Power supply
  3.    System chasis
  4.    Video controller
  5.    None of the above
 Discuss Question
Answer: Option C. -> System chasis
Question 217. What can you use to ensure power is not interrupted, resulting in corrupted data?
  1.    UPS
  2.    Proper grounding
  3.    Surge protector
  4.    Sag protector
  5.    None of the above
 Discuss Question
Answer: Option A. -> UPS
Question 218. Which step should you perform first before discharging a CRT?
  1.    Remove the CRT from its housing
  2.    Disconnect the CRT from the computer
  3.    Remove the video assembly
  4.    Turn power off before removing power source
  5.    None of the above
 Discuss Question
Answer: Option D. -> Turn power off before removing power source
Question 219. What does the acronym RTS represent?
  1.    Required to save
  2.    Ready to start
  3.    Request to send
  4.    Right to separate
  5.    None of the above
 Discuss Question
Answer: Option C. -> Request to send
Question 220. What problem can occur if a printer cable is to close to a power cable?
  1.    ESD Electrostatic Discharge
  2.    EMI Electromagnetic Interference
  3.    parity error
  4.    no affect
  5.    None of the above
 Discuss Question
Answer: Option B. -> EMI Electromagnetic Interference

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