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Consumer Electronics by S. P. Bali

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Descriptive Questions

  1. Differentiate between a wireless and a line communication system.
  2. What are the characteristics of a wireless communication system?
  3. What are the characteristics of a line communication system?
  4. Briefly explain the following terms:
    1. Interference
    2. Unidirectional and bidirectional channels
    3. Multiplexed channels
    4. Microwave links
    5. Coaxial cable
    6. Attenuation
    7. Modes of propagation of radio waves
    8. Scatter propagation
  5. Give examples of electromagnetic transducers. With the help of a suitable diagram explain the working of a ring-armature receiver.
  6. What are the attractive features of common channel signalling (CCS)?
  7. What are the classes of communication systems? Give examples.
  8. How telephone networks are interconnected?
  9. Explain the following ...

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