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Data Communication and Computer Networks MCQ Questions and Answers

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Download in pdf multiple choice questions(mcqs) & answers on Multichannel Data Communication. These general awareness quiz objective questions answers include mcqs on multiplexing techniques, GSM etc.
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(6) Which multiplexing technique is used to transmit digital signals ?
[A] FDM
[B] CDM
[C] TDM
[D] None of the above

Comment

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

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

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

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

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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DATA COMMUNICATION & COMPUTER NETWORKS – MULTIPLE CHOICE QUESTIONS AND ANSWERS | 250 MCQS

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