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    What does DM stands for?
    Question

    What does DM stands for?

    A.

    Differential modulation

    B.

    Distributed modulation

    C.

    Duplex modulation

    D.

    Delta modulation

    Correct option is D


    → DM stands for delta modulation. It is used to reduce the bandwidth or bit rate
    → It is considered as a 1bit DPCM.

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