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Computer MCQs for Competitive Exams

Collecting personal information and effectively posing as another individual is known as the crime of                             ?

Computer MCQs for Competitive Exams

What is the main difference between a mainframe and a super computer?

A. Super computer is much larger than mainframe computers
B. Super computers are much smaller than mainframe computers
C. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
D. Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.

Computer MCQs for Competitive Exams

What type of resource is most likely to be a shared common resource in a computer Network?

A. Printers
B. Speakers
C. Floppy disk drives
D. Keyboards
Network?” option1=”Printers” option2=”Speakers” option3=”Floppy disk drives” option4=”Keyboards” correct=”Printers” explanation=””]

Computer MCQs for Competitive Exams

A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is                      ?

Computer MCQs for Competitive Exams

The device used to carry digital data on analogue lines is called as                    ?

A. Modem
B. Multiplexer
C. Modulator
D. Demodulator
$s), while traditional infrastructure (like telephone lines) transmits continuous analog wave audio signals.

  • Step 2 (Signal Transition): The modem resolves this discrepancy by converting outgoing digital data into analog waves (modulation) and translating incoming analog signals back into binary code (demodulation).
  • Incorrect Options:
    • Multiplexer is incorrect because a multiplexer merges multiple independent data streams into a single high-speed transmission channel, rather than executing analog-to-digital transformations.
    • Modulator is incorrect on its own because it only covers half of the bidirectional communication cycle, representing the digital-to-analog outbound phase.
    • Demodulator is incorrect on its own because it only accounts for the incoming analog-to-digital processing phase.
  • “]$s), while traditional infrastructure (like telephone lines) transmits continuous analog wave audio signals.

  • Step 2 (Signal Transition): The modem resolves this discrepancy by converting outgoing digital data into analog waves (modulation) and translating incoming analog signals back into binary code (demodulation).
  • Incorrect Options:
    • Multiplexer is incorrect because a multiplexer merges multiple independent data streams into a single high-speed transmission channel, rather than executing analog-to-digital transformations.
    • Modulator is incorrect on its own because it only covers half of the bidirectional communication cycle, representing the digital-to-analog outbound phase.
    • Demodulator is incorrect on its own because it only accounts for the incoming analog-to-digital processing phase.
  • “]

    Computer MCQs for Competitive Exams
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