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Time division multiplexing: Digital signal:: Frequency division multiplexing:?

Time division multiplexing: Digital signal:: Frequency division multiplexing:? Correct Answer Analog signal

The two most common types of multiplexing are frequency-division multiplexing (FDM) and time-division multiplexing (TDM). Two variations of these basic methods are frequency-division multiple access (FDMA) and time-division multiple access (TDMA). In general, FDM systems are used for analog information and TDM systems are used for digital information.

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Frequency division multiplexing:Frequency slots::time division multiplexing:?
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Frequency difference between WDM (Wavelength Division Multiplexing) and FDM (Frequency Division Multiplexing) is ________
Time division multiplexing is inverse to that of frequency division multiplexing.
Refer the below data table and answer the following Question : Division/Standard Boys Girls Division A/Standard 5 20 30 Division B/Standard 5 15 20 Division C/Standard 5 30 10 Division A/Standard 6 30 25 Division B/Standard 6 30 25 Division C/Standard 6 30 20   What is the ratio of Boy’s to Girl’s? 
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