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Examples Of Multimedia Systems

10 Questions
Multimedia Quizzes & Trivia
Questions and Answers
  • 1. 
    Screens that receive analog signalscommonly connect to which of thefollowing?
    • A. 

      VGA connector

    • B. 

      DVI connector

    • C. 

      HDMI connector

    • D. 

      USB connector

  • 2. 
    A device that projects a transparentimage over the real view of the worldso the user need not change theirfocus is known as a:
    • A. 

      Headset

    • B. 

      Virtual reality system

    • C. 

      Head up display

    • D. 

      Visual display unit

  • 3. 
    How is the image on an LCD screenmaintained between screenrefreshes?
    • A. 

      A phosphors glow for a period of time sufficient to maintain the image between refreshes.

    • B. 

      The liquid crystals remain in alignment between screen refreshes.

    • C. 

      A filter ensure the image remains stable whilst the screen is refreshed

    • D. 

      Each pixel has its own capacitor that holds the electrical current between screen refreshes

  • 4. 
    A touch panel flexes slightly as it istouched. The underlying technologyis most likely which of the following?
    • A. 

      Resistive

    • B. 

      Capacitive

    • C. 

      SAW

    • D. 

      Transitive

  • 5. 
    DLP projectors form images usingwhich of the following?
    • A. 

      Small LCD screens

    • B. 

      Miniature tilting mirrors

    • C. 

      Tiny reflective ribbons

    • D. 

      Transmissive CRT technology

  • 6. 
    The volume of sound waves isdetermined by their:
    • A. 

      Frequency

    • B. 

      Wavelength

    • C. 

      Bit depth

    • D. 

      Amplitude

  • 7. 
    Which of the following produces thelight illuminating an LCD screen?
    • A. 

      Liquid Crystals

    • B. 

      Polarizing panels

    • C. 

      Phosphor coating

    • D. 

      Fluorescent tube

  • 8. 
    Speakers perform which of thefollowing conversions?
    • A. 

      Digital signal to analog sound wave

    • B. 

      Analog signal to digital sound wave

    • C. 

      Analog signal to analog sound wave

    • D. 

      Digital signal to digital sound wave

  • 9. 
    Most current optical drives use a CAVsystem. A consequence of thistechnology is:
    • A. 

      Data located further from the centre of Th. Disk is read more rapidly.

    • B. 

      Data is read at a constant rate regardless of its location on the disk

    • C. 

      More data can be stored on the disk with the same size and density

    • D. 

      The spindle motor must alter its speed depending on the current position of the read head.

  • 10. 
    What is purpose of EFM encoding ofdata on optical disks?
    • A. 

      To correct read errors efficiently as the data is being read

    • B. 

      So that transition between pits and lands can be used to represent binary digits

    • C. 

      To avoid long pits and lands which are difficult to read reliably

    • D. 

      To convert each byte of data into fourteen bits.