The most common modulation system used for telegraphy is

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CaptureA) FSK

B) PSK

C) PCM

D) AM

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9 comments :

  1. why pcm and why fsk? give ur reasons friends

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  2. its pcm because in telegraphy signals are send using morse code in pulses.
    what do u say friends

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  3. its pcm because in telegraphy signals are send using morse code in pulses.
    what do u say friends

    ReplyDelete
  4. why pcm and why fsk? give ur reasons friends

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  5. FSK because in morse code a message is represented by dash and dots,in similar way fsk represents dash by zero(0) and dot by (1) one.FSK utilize less bandwidth than PCM.On the other hands if we use PCM than a single dot will represented by more than two bits,which make the system complex.WHAT DO YOU THINK FRDS.

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