Telecommunication Switching Systems And Network! Trivia Quiz

15 Questions | Total Attempts: 104

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Telecommunication Switching Systems And Network! Trivia Quiz

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Questions and Answers
  • 1. 
    SPC stands
    • A. 

      Standard Protocol Control

    • B. 

      Stored Program Control

    • C. 

      Signaling and switching Centre

    • D. 

      Signaling Process Center

  • 2. 
    For two-stage network, the switching elements for M inlets with r blocks and N outlets with s blocks are given by
    • A. 

      Ms + Nr

    • B. 

      Mr + Ns

    • C. 

      (M + N) (r + s)

    • D. 

      (M + N)rs

  • 3. 
    As per Nyquist criterion, the sampling rate is: Where fs is the signal frequency
    • A. 

      2fs

    • B. 

      (1/2)fs

    • C. 

      (1/2fs)

    • D. 

      (2/fs)

  • 4. 
    To receive satellite signal feed is kept at ________________ of PDA.
  • 5. 
    Peak to peak value of an a.c. voltage can be measured with the help of ____________________
  • 6. 
    Type of modulation used in visual section of a transmitter.
    • A. 

      Positive A.M.

    • B. 

      Negative A.M

    • C. 

      F.M.

    • D. 

      None of the above.

  • 7. 
    The Difference between video I.F. & audio I. F in TV transmitter is
    • A. 

      4.43 MHz

    • B. 

      3.50 MHz

    • C. 

      5.50 MHz

    • D. 

      None of the above.

  • 8. 
    Duration of vertical blanking is
    • A. 

      4.7 microsecond

    • B. 

      0.2 milli second

    • C. 

      1.6 milli second

    • D. 

      None of the above

  • 9. 
    Duration of horizontal sync pulse is
    • A. 

      1. 64 microsecond

    • B. 

      2. 1.6 milli second

    • C. 

      3. 4.7 micro second

    • D. 

      None of these

  • 10. 
    I.F. at output of TV Receiver tuner for video is
    • A. 

      38.9 MHz

    • B. 

      33.4 MHz

    • C. 

      40.5 MHz

    • D. 

      40.5 MHz

  • 11. 
    A slotted antenna is used for
    • A. 

      VHF

    • B. 

      UHF

    • C. 

      Both VHF & UHF

    • D. 

      None of the above

  • 12. 
    The PDA used for TVRO is used for
    • A. 

      Receiving signals

    • B. 

      Transmitting signals

    • C. 

      Both as (a) & (b) simultaneously

    • D. 

      None of the above

  • 13. 
    Three Primary Colours in TV Transmission are
    • A. 

      Red, Green, Blue

    • B. 

      Red, Yellow, Blue

    • C. 

      Red, Yellow, Blue

    • D. 

      None of the above

  • 14. 
    Colour Temperature of average day light is
    • A. 

      3200 K

    • B. 

      5600 K

    • C. 

      6500 K

    • D. 

      None of the above.

  • 15. 
    Eye is more sensitive to
    • A. 

      Red

    • B. 

      Green

    • C. 

      Blue

    • D. 

      Violet

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