Multichannel Data Communication - Chapter-wise Computer Networks MCQ Questions with Answers

Questions

6 Which multiplexing technique is used to transmit digital signals ?

A FDM

B CDM

C TDM

D None of the above

Answer: Option [C]

TDM is used to transmit digital signals. In this multiplexing technique the transmitted signal is divided into many segments and each segment is assigned a separate time slot.

7 Which multiplexing technique is used to transmit analog signals ?

A FDM

B Synchronous TDM

C Either (a) or (b)

D None of these

View Answer Comment

Answer: Option [C]

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8 GSM stands for

A Global System for Mobile Communication

B Global Service Management

C General System for Mobile Communication

D None of these above

View Answer Comment

Answer: Option [A]

GSM stands for Global System for Mobile Communication. It is a standard for second generation digital cellular system which contains various protocols.

9 To employ multi-access in GSM, users are given different

A time slots

B bandpass filters

C handsets

D none of these

View Answer Comment

Answer: Option [A]

10 GSM/CDMA systems

A are limited to very low speed data

B require no local loop wires

C are predominantly used for voice

D all of the above

View Answer Comment

Answer: Option [C]

GSM/CDMA systems are predominantly used for voice. GSM operates on carrier wave and CDMA operates on the available bandwidth of the spectrum.

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