Q. Multilevel multiplexing is a technique used when the data rate of an input line is

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Q. DS-1 to DS-4 is implemented by

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Q. TDM is a digital multiplexing technique for combining several low-rate channels into

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Q. In multiplexing process, the term 'link' refers to the

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Q. Frequency-division multiplexing, wavelength-division multiplexing, are designed for

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Q. DSSS technique expands the bandwidth of a signal by replacing each data bit with

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Q. Wavelength division multiplexing is same as

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Q. What is the minimum number of bits in a PN sequence if we use FHSS with a channel bandwidth of B =4 KHz and Bss =100 KHz

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Q. Each TV channel has its own bandwidth of

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Q. The multiplexing technique, in which each input connection has an allotment in the output even if it is not sending data is

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Q. In synchronous TDM, the data rate of the link is n times faster and the unit duration is

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Q. The frequency difference between the Wavelength-Division Multiplexing (WDM) and Frequency-Division Multiplexing ( FDM ) is

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Q. FDM is an analog multiplexing technique that combines

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Q. The two techniques to spread the bandwidth are

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Q. How many types of multiplexing techniques are

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Q. In multiplexing, channels are separated by unused strips of bandwidth guard bands - to prevent

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