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Digital Signal Processing Mock Test 3


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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Question 1 of 10

1. The oscillatory behavior of the approximation of XN(ω) to the function X(ω) at a point of discontinuity of X(ω) is known as Gibbs phenomenon.

Question 1 of 10

Question 2 of 10

2. The Fourier series for the signal x(n)=cos√2πn exists.

Question 2 of 10

Question 3 of 10

3. What is the frequency range(in Hz) of Electroencephalogram(EEG)?

Question 3 of 10

Question 4 of 10

4. What is the period of the Fourier transform X(ω) of the signal x(n)?

Question 4 of 10

Question 5 of 10

5. Which of the following relation is true if the signal x(n) is real?

Question 5 of 10

Question 6 of 10

6. If the frequency response of an FIR system is given as H(z)=6+z-1-z-2, then the system is ___________

Question 6 of 10

Question 7 of 10

7. If x(n) is a complex valued sequence given by x(n)=xR(n)+jxI(n), then what is the DFT of xR(n)?

Question 7 of 10

Question 8 of 10

8. What is the Fourier series representation of a signal x(n) whose period is N?

Question 8 of 10

Question 9 of 10

9. Which filter has a magnitude frequency response as shown in the plot given below?
digital-signal-processing-questions-answers-lti-system-frequency-selective-filters-q2

Question 9 of 10

Question 10 of 10

10. If F1 and F2 are the lower and upper cutoff frequencies of a band pass signal, then what is the condition to be satisfied to call such a band pass signal as narrow band signal?

Question 10 of 10


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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