Modem | SBS Technologies | Er Abdul Basit

Basic Internet Terminology 

Modem

Modem is special device that performs two different operation Modulation and Demodulation. 

Process performed by the modem 
  • Modulation
  • Demodulation 
When Digital data are to be sent over telephone lines , digital signal is converted into analog is know as Modulation (Performed at Sender Side).

The reverse process .i.e. The conversion of analog signal into its digital form at destination device is called Demodulation (Performed at Receiver Side).

Modem is also known as Modulator and Demodulator. 





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