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Computer Aptitude

COMPUTER HARDWARE MCQs

Total Questions : 350 | Page 5 of 35 pages
Question 41. How many bits in a byte?
  1.    16
  2.    8
  3.    255
  4.    10
  5.    2 to the 9th power
 Discuss Question
Answer: Option B. -> 8
Question 42. RS-232 is a standard that applies to?
  1.    Parallel port
  2.    Serial port
  3.    Game port
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> Serial port
Question 43. What is the result of adding an IP address to the DNS server search order
  1.    It restricts browsing to that DNS server
  2.    It overrides the local systems IP address
  3.    It tells the DNS Server where the local system is located
  4.    It tells the local system where the DNS Server is located
  5.    None of the above
 Discuss Question
Answer: Option D. -> It tells the local system where the DNS Server is located
Question 44. You should never put floppy drives, hard drives, or even VCR tapes or cassette tapes on top of speakers (or near any other source of magnetism) because of:
  1.    RFI
  2.    EMI
  3.    EXE
  4.    FYI
  5.    IOU
 Discuss Question
Answer: Option B. -> EMI
Question 45. Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?
  1.    defective modem
  2.    defective computer
  3.    software bug
  4.    bad phone line
  5.    virus
 Discuss Question
Answer: Option D. -> bad phone line
Question 46. 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 47. How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks ?
  1.    DOS=High
  2.    devicehigh=
  3.    loadhigh=
  4.    DOS=UMB
  5.    None of the above
 Discuss Question
Answer: Option D. -> DOS=UMB
Question 48. Which is the easiest component to environmentally recycle?
  1.    Motherboards
  2.    CMOS batteries
  3.    Toner cartridges
  4.    Cathode ray tubes
  5.    None of the above
 Discuss Question
Answer: Option C. -> Toner cartridges
Question 49. When connecting a ribbon cable to a connector, how do you know which direction to plug it in?
  1.    The red line in the cable goes to the highest pin number
  2.    The colored line in the cable goes to pin #1
  3.    It does not matter
  4.    The blue or red line in the cable goes away from the power connector
  5.    None of the above
 Discuss Question
Answer: Option B. -> The colored line in the cable goes to pin #1
Question 50. In inkjet technology the droplets of ink are deflected by?
  1.    Electrically Charge Plate
  2.    Multi directional nozzle
  3.    High pressure jets
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option A. -> Electrically Charge Plate

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