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Computer Aptitude

COMPUTER HARDWARE MCQs

Total Questions : 350 | Page 19 of 35 pages
Question 181. COM1 is typically represented by which of the following?
  1.    15 pin port
  2.    9 pin male port
  3.    9 pin female port
  4.    25 pin male port
  5.    None of the above
 Discuss Question
Answer: Option B. -> 9 pin male port
Question 182. A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
  1.    l0Mhz
  2.    25Mhz
  3.    50Mhz
  4.    100 Mhz
  5.    None of the above
 Discuss Question
Answer: Option B. -> 25Mhz
Question 183. 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 184. Which REQUIRES an anti-static bag for transport?
  1.    Monitor
  2.    Floppy disks
  3.    Power supply
  4.    I/O controller
  5.    None of the above
 Discuss Question
Answer: Option D. -> I/O controller
Question 185. Static electricity thrives is which type of environment?
  1.    cold and humid
  2.    warm and humid
  3.    warm and dry
  4.    cold and warm
  5.    cold and dry
 Discuss Question
Answer: Option E. -> cold and dry
Question 186. ESD potential decreases with the use of:
  1.    De-ionizing fans
  2.    A wrist strap
  3.    Rubber gloves with matching cap
  4.    A static meter
  5.    None of the above
 Discuss Question
Answer: Option B. -> A wrist strap
Question 187. With a dot matrix printer, light then dark print is most commonly caused by:
  1.    Erratic paper advancement
  2.    Erratic ribbon advancement
  3.    Misalligned print head
  4.    Overheating print head
  5.    None of the above
 Discuss Question
Answer: Option B. -> Erratic ribbon advancement
Question 188. How many DMA channels are there in an AT class PC?
  1.    3
  2.    4
  3.    7
  4.    8
  5.    None of the above
 Discuss Question
Answer: Option D. -> 8
Question 189. A wrist grounding strap contains which of the following:
  1.    Surge protector
  2.    Capacitor
  3.    Voltmeter
  4.    Resistor
  5.    None of the above
 Discuss Question
Answer: Option D. -> Resistor
Question 190. Every video card must have?
  1.    CMOS
  2.    RAM
  3.    CPU
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> RAM

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