Computer Fundamentals Mcqs

Page No. 70

Controlling the phase is referred as __________


a modulation

✖


bhalf modulation

✖


camplitude modulation

✖


dphase modulation

✓


View Answer phase modulation

A transmission mode that can transmit data in both the directions but transmits in only one direction at a time.


a simplex

✖


bhalf duplex

✓


c full duplex

✖


dsemi-duplex

✖


View Answer half duplex

A multiplexing technique based on sampling.


aFDM

✖


bTDM

✓


cSDM

✖


dFM

✖


View Answer TDM

An example of FDM:


abroadcast radio

✓


btelephone

✖


cmachines

✖


dsemi-duplex

✖


View Answer broadcast radio

FDM stands for?


a Frequency Division Multiplexing

✓


bFrequency Dependent Multiplexing

✖


c Frequency Diverged Multiplexing

✖


dFrequency Derived Multiplexing

✖



A modulation technique that improves channel bandwidth utilization.


a direct

✖


bmodulation

✖


cdemodulation

✖


dmultiplexing

✓


View Answer multiplexing

The purpose of communication system is to transfer information from _______ to the destination.


auser

✖


bsource

✓


csystem

✖


d station

✖


View Answer source

WDM stands for?


aWave division multiplexing

✖


bWavelength division multiplexing

✓


cWavelength dependent multiplexing

✖


dWave dependent multiplexing

✖



In TDM, the samples occupy adjacent time slots.


a True

✓


b False

✖


cA & B

✖


dNone of these

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View Answer True

In this type of multiplexing time slots are preassigned to sources and fixed.


aTDM

✖


bSynchronous TDM

✓


cAsynchronous TDM

✖


dFDM

✖


View Answer Synchronous TDM

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