Information Technology Grade 9

29 Questions | Total Attempts: 8654

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Information Technology Grade 9

1. ANSWER ALL QUESTIONS 2. WRITE YOUR ANSWERS IN CAPITAL LETTERS


Questions and Answers
  • 1. 
    One purpose of a network is
    • A. 

      Sharing software

    • B. 

      Compiling program

    • C. 

      Changing software

    • D. 

      Starting up the computer

  • 2. 
    What is a network?
    • A. 

      A set of software use to send information

    • B. 

      A collection of computers and devices connected by communication channels

    • C. 

      A set of hardware that are use save information

    • D. 

      A collection of storage devices use to save information

  • 3. 
    Which of the following is NOT used to facilitate communication on the network?
    • A. 

      E-mail .

    • B. 

      Instant messaging

    • C. 

      Chat rooms,

    • D. 

      Printing

  • 4. 
    The largest type of network is __________ 
  • 5. 
    Which of the following  allows users to connected to a network which can access application programs?
    • A. 

      Sharing files, data and information

    • B. 

      Sharing software

    • C. 

      Sharing hardware

    • D. 

      Communicating

  • 6. 
    The acronym LAN means ________
  • 7. 
    The acronym PAN means _________
  • 8. 
    The acronym WAN means _______________
  • 9. 
    The acronym PAN means ____________
  • 10. 
    The smallest type of network is
    • A. 

      WAN

    • B. 

      MAN

    • C. 

      PAN

    • D. 

      LAN

  • 11. 
    PAN is used in which communication technology?
    • A. 

      Blue tooth

    • B. 

      Microwave

    • C. 

      Cellular radio

    • D. 

      Infared

  • 12. 
    _________________ covers a large geographic area such as a city, country, or spans even intercontinental distances, using a communications channel tinental 
  • 13. 
      _______________ connects two or more local area networks or campus area networks together but does not extend beyond the boundaries of the immediate town/city.
  • 14. 
    Which of the following is not a type of Wireless Media?
    • A. 

      Blue tooth

    • B. 

      Satellite

    • C. 

      Microwave

    • D. 

      Fiber Optic Cable

  • 15. 
    Which of the following is a type of Physical Media?
    • A. 

      Blue tooth

    • B. 

      Satellite

    • C. 

      Microwave

    • D. 

      Fiber Optic Cable

  • 16. 
    An  _____________ signal is a continuous Electricwave.
  • 17. 
    Analog signal is measured in Volts and frequency in  ______________
  • 18. 
    __________ consist of discrete electrical pulses (on/off)  that represents bits.  
  • 19. 
    A _______________ consist of two signals 1 or 0.
  • 20. 
    A ______________ is type of cable that consists of two Independently insulated wires twisted around one another.
    • A. 

      COAXIAL CABLE

    • B. 

      TWISTED PAIR

    • C. 

      MICROWAVE

    • D. 

      FIBER OPTIC

  • 21. 
    A ____________________ consist of an inner conductor and an outer conductor separated by an insulated plastic.
    • A. 

      FIBER OPTIC

    • B. 

      MICROWAVE

    • C. 

      COAXIAL CABLE

    • D. 

      TWISTED PAIR

  • 22. 
    This __________________ link is made up of a string of microwave radio antennas located at the top of towers at various microwave sites.    
  • 23. 
    ______________________ is a specialized type of transmitter that is launched by a rocket and placed in orbit around the earth.  
    • A. 

      Microwave

    • B. 

      Blue tooth

    • C. 

      Satellite

    • D. 

      Cellular Radio

  • 24. 
    Which of the following is a function of the satellite?
    • A. 

      Television broadcast

    • B. 

      Internet communications

    • C. 

      Weather forecasting

    • D. 

      All of the above

  • 25. 
    _______________________ is the exchanging data over short distances using short length radio waves.
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