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Channelization characterized by orthogonal spectra is called as

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Channelization characterized by orthogonal spectra is called as

(a) Time division multiplexing

(b) Frequency division multiplexing

(c) Time division & Frequency division multiplexing

(d) None of the mentioned

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The correct option is (b) Frequency division multiplexing

For explanation I would say: Channelization characterized by orthogonal wave-forms is called as time division multiplexing and those characterized by orthogonal spectra is called as frequency division multiplexing.

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