Which of the following technique is used in high speed modem ?



[ A ]    TDM
[ B ]    PCM
[ C ]    QAM right
[ D ]    FDM
[ E ]    None of these
Answer : Option C
Explanation :
QAM (Quadrature Amplitude Modulation), is the modulation scheme used in cable plants. RAM is how the modem encodes digital information to be sent over the RF interface of the modem.
Computer Awareness Questions And Answers for competitive exams

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