Signal Classification Quiz
Authored by Ngu War Hlaing
Information Technology (IT)
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true for an energy signal?
Infinite energy, finite power
Finite energy, zero average power
Finite power, infinite energy
Infinite energy and infinite power
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A power signal typically has:
Zero average power
Infinite energy over time
Both finite energy and finite power
Energy equal to zero
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The signal x(t)=sin(2πt) is classified as:
Energy signal
Random signal
Power signal
Nonharmonic signal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a deterministic signal?
Random noise
Human voice
Square wave
White Gaussian noise
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A probabilistic signal is:
Always periodic
Completely predictable
Best described using statistics
Always a power signal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following signals is not periodic?
sin(3πt)+sin(6πt)
sin(2πt)+sin(3π2t)
cos(4πt)
sin(2πt)+sin(4πt)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which condition must be satisfied for a signal to be a power signal?
Total energy is finite
Power is infinite
Average power is finite and non-zero
Total energy equals zero
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