Test your knowledge :

  1. The communication channel are used for short distances ____________ .
    2. Coaxial cable
    Optical fiber
    Twisted pair
    Infrared
  2. ______ vary continuously with time and have continuously varying amplitude for each time instant
    3. Analog signal
    Digital signal
    Discrete signal
    None of them
  3. In Digital Communication, information is transmitted in
    4. Analog form
    Digital form
    Discrete form
    None of them
  4. Data security is more in
    5. Analog Communication
    Digital Communication
    Both a & b
    None of them
  5. Digital Communication means .
    6. Analog data transmission
    Digital data transmission
    Data is not transmitted
    None of these
  6. In cable TV for the transmission of data channel used is
    7. Coaxial cable
    Optical fiber
    Twisted pair
    Free space broadcast
  7. Which one represents the physical channel
    8. Wired (Cable) channel
    Optical (Fiber) channel
    Underwater channel
    all of them
  8. ____________ 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
    9. Channel Decoder
    Channel
    Channel Encoder
    Source decoder
  9. Which one represents the virtual channel
    10. Wired (Cable) channel
    Optical (Fiber) channel
    Underwater channel
    Magnetic storage
  10. Step size is variable in
    11. PCM
    DPCM
    DM
    ADM
Number of score out of : 10 = Score in Percentage =