Digital Signal Processing MCQs
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Digital Signal Processing MCQs
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25 Questions

1. The z-transform of the signal a^nx(n) is:
2. Which of the following statement is/are correct about linear convolution?
1. The Input and output sequence is Aperiodic.
2. It requires zero padding.
3. The length of the input and output sequence is the same.
4. The length of output sequence is greater than the input sequence.
3. The algorithm used for the computation of DFT based on the decomposition of N-point DFT is known as:
4. Which of the following form is used for the IIR filters?
5. Which of the following is not a type of discrete system?
6. The system that accepts the input in the discrete form and produces the discrete time output is known as:
7. Which of the following bus is used in the Digital signal processor?
8. The incorrect statement about FIR filters is?
9. Which of the following statement is correct about Butterworth filters?
1. The magnitude response of the Butterworth filter has ripples in the pass-band.
2. Its pole lies on a circle in the s-plane.
3. Its design requires fewer parameters.
4. Its pole lies on an ellipse in the s-plane.
10. The system given by y(n) = x(n) + 1/x(n - 1) is:
11. Which of the following feature about the triangular window technique used in the FIR filter design is correct?
12. Which of the following is/are features of the digital signal processor?
13. Linear phase response of the filter is defined as:
14. The Z-transform of the function y(n) = x(n) + y(n - 1) is:
15. IDFT of the sequence {1, 0, 1, 0} is:
16. The addition of zeroes at the end of the sequence when it is represented as the power of integer is refer as:
17. The length of the output sequence (n) of the two sequences (n1 and n2) can be calculated using the formula:
18. The advantages of discrete signal processing is/are:
19. An analog signal has a bandwidth of 5KHz. If we are using an N-point DFT to compute the signal spectrum with a resolution less than or equal to 25Hz. Find the minimum length of the signal.
20. The method responsible for introducing the aliasing effect in filters is:
21. The multipliers required for the (M - 1) and (N - 1) order IIR filters are given by:
22. Find the complex multiplications required for 16 direct computations of DFT.
23. One-sided Z-transform is also known as:
24. The incorrect statement about the Impulse Invariant method is:
25. The advantages of the butterfly structure is:

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