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Explain the terms (i) Attenuation and (...

Explain the terms (i) Attenuation and (ii) Demodulation used in Communication System.

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(i) Loss of strength of a signal during propagation through communication channel.
(ii) Demodulation is the phenomemon of retrieval of information signal from the modulated weve at receiver.
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Knowledge Check

  • Modern communication systems use

    A
    analog circuits
    B
    digital circuits
    C
    combination of analog & digital circuits
    D
    radio circuits

  • Communication system may be

    A
    electrical
    B
    electronic
    C
    optical
    D
    any of the above

  • Modern communication systems use :

    A
    analong circuits
    B
    digital circuits
    C
    combination Å analog and digital circuits
    D
    none of these

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