Fundamentals of Analog Communication

Fundamentals of Analog Communication

University

52 Qs

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Fundamentals of Analog Communication

Fundamentals of Analog Communication

Assessment

Quiz

Education

University

Practice Problem

Medium

Created by

Sheeba Shivaraj

Used 2+ times

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52 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The main purpose of a communication system is to:

Store information

Transfer information from source to destination

Encode information only

Increase bandwidth

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a communication system, noise is usually added:

At the transmitter

At the receiver

In the channel

During modulation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which block is responsible for translating a low-frequency message to a high-frequency signal?

Transducer

Modulator

Amplifier

Demodulator

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In AM, the carrier amplitude varies according to:

Carrier frequency

Message signal

Carrier phase

Noise signal

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In AM, overmodulation occurs when:

m1m > 1m>1

m=0m = 0m=0

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The bandwidth of an AM signal is:

Equal to carrier frequency

Twice the highest modulating frequency

Equal to modulating frequency

Half the carrier frequency

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an AM system, if carrier power is 100 W and modulation index is 1, total transmitted power is:

100 W

125 W

150 W

200 W

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