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Source Information MCQ Questions & Answers

Source Information MCQs : This section focuses on the "Source Information". These Multiple Choice Questions (MCQs) should be practiced to improve the Source Information skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

Amplitude Modulation suffers from ________

A. Side-band Suppression
B. IntraPulse Modulation
C. Cross Modulation
D. Carrier Suppression

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Question 2

Cell phones sent information in form of ________

A. microwaves
B. electrical signals
C. infrared Waves
D. radio waves

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Question 3

Data transmitted for a given amount of time is called ________

A. Noise
B. Power
C. Frequency
D. Bandwidth

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Question 4

FM stands for ________

A. Frequency Modulation
B. Frequency Modulator
C. Frequent Frequent Multiplier
D. Frequency Mixer

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Question 5

If Output can be represented as linear combination of input then ________

A. The system is linear
B. The system is causal
C. The system is non causal
D. The system is time invariant

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Question 6

Medium which sends information from source to receiver is called ________

A. Transmitter
B. Transducer
C. Loudspeaker
D. Channel

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Question 7

Telephones send information through wires in form of ________

A. radio signals
B. electrical signal
C. electromagnetic waves
D. microwaves

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Question 8

The ability of receivers to select the wanted signals among various incoming signal is called ________

A. Selectivity
B. Fidelity
C. Sensitivity
D. Modulation

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Question 9

The minimum height of antenna required for transmission in terms of ? is ________

A. 3??2
B. ??4
C. 2?
D. ?

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Question 10

What is Demodulation?

A. Process of varying one or more properties of a periodic waveform
B. Recovering information from a modulated signal
C. Process of mixing a signal with a sinusoid to produce a new signal
D. Involvement of noise

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Question 11

Which device is used for tuning the receiver according to incoming signal (especially in TV)?

A. Low pass filter
B. High pass filter
C. Zener diode
D. Varacter diode

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Question 12

Why a sinusoidal signal is considered analog?

A. It moves in both positive and negative direction
B. It is positive for one half cycle
C. It is negative for one half cycle
D. It has an infinite number of amplitudes in the range of values of the independent variable

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Question 13

The minimum height of antenna required for transmission in terms of ʎ is ________

A. 3ʎ⁄2
B. ʎ⁄4
C. 2ʎ
D. ʎ

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