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MCQs

Total Questions : 269 | Page 22 of 27 pages
Question 211. If the voltage on pin 1 of the power supply is not in the range of _____ volts, the PC will not boot.
  1.    15 - 25
  2.    2.5 - 5
  3.    44124
  4.    50 - 110
  5.    43952
 Discuss Question
Answer: Option B. -> 2.5 - 5
Question 212. In addition to I/O port addresses, SCSI adapters also use a range of ROM addresses for their onboard BIOS.
  1.    25 pin male port
  2.    9 pin female port
  3.    1
  4.    None of these
 Discuss Question
Answer: Option C. -> 1
Question 213. In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.
  1.    Last 64k of extended
  2.    None of these
  3.    First 64k of extended
  4.    First 64k above conventional
  5.    Last 64k of conventional
 Discuss Question
Answer: Option C. -> First 64k of extended
Question 214. The following process determines the amount of memory present, the date/ time, and which communications ports and display adapters are installed in a microcomputer?
  1.    Start-up utility test
  2.    Power on start up process
  3.    None of these
  4.    Power on Self Test
  5.    Power up boot process
 Discuss Question
Answer: Option D. -> Power on Self Test
Question 215. What is the i/o address for com3?
  1.    500000000
  2.    300000000
  3.    be8
  4.    345
  5.    ff8
 Discuss Question
Answer: Option B. -> 300000000
Question 216. A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
  1.    None of these
  2.    50Mhz
  3.    100 Mhz
  4.    l0Mhz
  5.    25Mhz
 Discuss Question
Answer: Option E. -> 25Mhz
Question 217. Static electricity thrives is which type of environment?
  1.    cold and dry
  2.    warm and humid
  3.    cold and warm
  4.    warm and dry
  5.    cold and humid
 Discuss Question
Answer: Option A. -> cold and dry
Question 218. Which REQUIRES an anti-static bag for transport?
  1.    Monitor
  2.    None of these
  3.    Power supply
  4.    I/O controller
  5.    Floppy disks
 Discuss Question
Answer: Option D. -> I/O controller
Question 219. A wrist grounding strap contains which of the following:
  1.    None of these
  2.    Surge protector
  3.    Resistor
  4.    Capacitor
  5.    Voltmeter
 Discuss Question
Answer: Option C. -> Resistor
Question 220. How many DMA channels are there in an AT class PC?
  1.    3
  2.    None of these
  3.    8
  4.    7
  5.    4
 Discuss Question
Answer: Option C. -> 8

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