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Computer Aptitude

COMPUTER HARDWARE MCQs

Total Questions : 350 | Page 34 of 35 pages
Question 331. Which component must be vacuumed or replaced during preventative maintenance on a laser printer?
  1.    Scanning mirror
  2.    Toner cartridge
  3.    Ozone filter
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> Ozone filter
Question 332. Which device uses a DMA channel?
  1.    Modem
  2.    Network Card
  3.    Sound Card
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> Sound Card
Question 333. When is the risk for electrostatic discharge the greatest?
  1.    Day time
  2.    High humidity
  3.    Low humidity
  4.    Night time
  5.    None of the above
 Discuss Question
Answer: Option C. -> Low humidity
Question 334. A modem could be attached to which port?
  1.    Parallel port
  2.    ASYNC port
  3.    Keyboard connector
  4.    Video port
  5.    None of the above
 Discuss Question
Answer: Option A. -> Parallel port
Question 335. What device prevents power interruptions, resulting in corrupted data?
  1.    Battery back-up unit
  2.    Surge protector
  3.    Multiple SIMMs strips
  4.    Data guard system
  5.    None of the above
 Discuss Question
Answer: Option A. -> Battery back-up unit
Question 336. In a computer with an eide adapter, where should you connect an ATA CD-ROM drive?
  1.    on the floppy bus
  2.    on the primary IDE
  3.    on the secondary IDE
  4.    on the SCSI bus
  5.    All of the above
 Discuss Question
Answer: Option C. -> on the secondary IDE
Question 337. SCSI must be terminated with?
  1.    Dip switch
  2.    Resistor
  3.    BNC
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> Resistor
Question 338. What's the best way to prevent damaging your PC with static electricity?
  1.    place your PC on a rubber mat
  2.    wear leather soled shoes
  3.    periodically touch a safe ground point on the PC to discharge yourself
  4.    static electricity doesn't really hurt a PC
  5.    wear an ESD wrist strap
 Discuss Question
Answer: Option E. -> wear an ESD wrist strap
Question 339. Capacitance is measured in units of:
  1.    volts
  2.    amps
  3.    farads
  4.    neutrinos
  5.    anti-neutrinos
 Discuss Question
Answer: Option C. -> farads
Question 340. What can you use to ensure power is not interrupted, resulting in corrupted data?
  1.    UPS
  2.    Propergrounding
  3.    Surge protector
  4.    Sag protector
  5.    None of the above
 Discuss Question
Answer: Option A. -> UPS

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