Digital Modulation Techniques Quiz
Authored by Manjunath Ganjipete
Engineering
University
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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a communication system?
To reduce power consumption
To establish a connection for information exchange
To store data permanently
To enhance audio quality
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an analog communication system?
Digital Television
Internet Communication
VoIP
AM Radio
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of signals does a digital communication system use?
Mixed signals
Discrete (binary) signals
Analog signals
Continuous signals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which modulation technique varies the amplitude of the carrier wave?
Quadrature Phase Shift Keying
Phase Shift Keying
Frequency Shift Keying
Amplitude Shift Keying
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key advantage of digital communication systems?
Higher susceptibility to noise
Lower data compression
Error detection and correction
Simpler hardware requirements
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which modulation technique is the phase of the carrier wave changed?
Amplitude Modulation
Frequency Modulation
Phase Shift Keying
On-Off Keying
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main disadvantage of digital communication systems?
Increased noise resistance
Higher complexity
Lower data rates
Better security
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