Digital Signal Processing Questions and Answers
Q1.
Auto correlation sequence is an even function.
Answer :
True
Q2.
The system described by the input-output equation y(n)=nx(n)+bx3(n) is a ____
Answer :
Static system
Q3.
If a system do not have a bounded output for bounded input, then the system is said to be ____
Answer :
Non-stable
Q4.
The formula y(n)=\(\sum_{k=-\infty}^{\infty}x(k)h(n-k)\) that gives the response y(n) of the LTI system as the function of the input signal x(n) and the unit sample response h(n) is known as __
Answer :
Convolution sum
Q5.
Zero-input response is also known as Natural or Free response.
Answer :
True
Q6.
Which of the following is common independent variable for speech signal, EEG and ECG?
Answer :
Time
Q7.
What are the important block(s) required to process an input analog signal to get an output analog signal?
Answer :
All of the mentioned
Q8.
All energy signals will have an average power of _____
Answer :
Zero
Q9.
Which of the following is a digital-to-analog conversion process?
Answer :
All of the mentioned
Q10.
If all the poles have small magnitudes, then the rate of decay of signal is _______
Answer :
Rapid
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