Digital Signal Processing Questions and Answers
Q1.
The output signal when a signal x(n)=(0,1,2,3) is processed through an ‘Identical’ system is?
Answer :
(0,1,2,3)
Q2.
Whether the system described by the input-output equations y(n)=x(n)-x(n-1) a Time-variant system.
Answer :
False
Q3.
If x(n) is a discrete-time signal, then the value of x(n) at non integer value of ‘n’ is?
Answer :
Not defined
Q4.
What is the order of the four operations that are needed to be done on h(k) in order to convolute x(k) and h(k)?
Step-1:Folding
Step-2:Multiplication with x(k)
Step-3:Shifting
Step-4:Summation
Answer :
1-3-2-4
Q5.
The solution obtained by assuming the input x(n) of the system is zero is ______
Answer :
Homogenous solution
Q6.
Which of the following conditions made digital signal processing more advantageous over analog signal processing?
Answer :
All of the mentioned
Q7.
Which of the following block is not required in digital processing of a RADAR signal?
Answer :
D/A converter
Q8.
x(t) or x(n) is defined to be an energy signal, if and only if the total energy content of the signal is a _____
Answer :
Finite quantity
Q9.
If ‘F’ is the frequency of the analog signal, then what is the minimum sampling rate required to avoid aliasing?
Answer :
F
Q10.
If one or more poles are located near the unit circle, then the rate of decay of signal is _____
Answer :
Slow
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