Test your knowledge :

  1. The communication channel are used for short distances ____________ .
  2. Coaxial cable
    Optical fiber
    Twisted pair
    Infrared

  3. ______ vary continuously with time and have continuously varying amplitude for each time instant
  4. Analog signal
    Digital signal
    Discrete signal
    None of them

  5. In Digital Communication, information is transmitted in
  6. Analog form
    Digital form
    Discrete form
    None of them

  7. Data security is more in
  8. Analog Communication
    Digital Communication
    Both a & b
    None of them

  9. Digital Communication means .
  10. Analog data transmission
    Digital data transmission
    Data is not transmitted
    None of these

  11. In cable TV for the transmission of data channel used is
  12. Coaxial cable
    Optical fiber
    Twisted pair
    Free space broadcast

  13. Which one represents the physical channel
  14. Wired (Cable) channel
    Optical (Fiber) channel
    Underwater channel
    all of them

  15. ____________ introduces some redundancy in the binary information sequence that can be used at the receiver to overcome the effects of noise and interference encountered in the transmission
  16. Channel Decoder
    Channel
    Channel Encoder
    Source decoder

  17. Which one represents the virtual channel
  18. Wired (Cable) channel
    Optical (Fiber) channel
    Underwater channel
    Magnetic storage

  19. Transmission of ______ signal require more bandwidth as compared to ______ signal
  20. Analog, Digital
    Digital, Analog
    AM, FM
    FM, AM


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