AllInfoHub – MCQ Practice

Digital Signal Processing – Multiple Choice Questions (MCQs)

37. The Chebyshev filters are known for their:
- A. Maximally flat passband
- B. Equiripple passband and/or stopband
- C. Linear phase response
- D. Sharp transition band
38. Butterworth filters are known for their:
- A. Equiripple passband
- B. Linear phase response
- C. Maximally flat passband
- D. Sharp transition band
39. The poles and zeros of an all-pass filter are related by:
- A. Symmetry with respect to the origin
- B. Symmetry with respect to the unit circle
- C. Symmetry with respect to the real axis
- D. Symmetry with respect to the imaginary axis
40. A phase-linear filter has a group delay that is:
- A. Constant
- B. Linear
- C. Zero
- D. Dependent on frequency
41. The frequency response of a discrete-time system is periodic with period:
- A. π
- B. 2π
- C. ω
- D. 2ω
42. The inverse Z-Transform can be found using:
- A. Partial fraction expansion
- B. Residue theorem
- C. Power series expansion
- D. All of the above
43. The system function H(z) for an FIR filter is typically a:
- A. Ratio of polynomials
- B. Polynomial in z^-1
- C. Polynomial in z
- D. Constant
44. Which of the following is a primary disadvantage of IIR filters compared to FIR filters?
- A. Non-linear phase
- B. Higher computational complexity
- C. Cannot achieve high orders
- D. Cannot approximate ideal filters
45. The Gibbs phenomenon in FIR filter design is caused by:
- A. Rounding errors
- B. Truncation of the ideal impulse response
- C. Quantization
- D. Aliasing
46. The Hamming window attempts to reduce the Gibbs phenomenon by:
- A. Narrowing the main lobe
- B. Broadening the main lobe
- C. Reducing the height of side lobes
- D. Increasing the number of zeros
47. The design of IIR filters typically involves converting an analog filter design to a digital one using methods like:
- A. Windowing
- B. Bilinear transformation
- C. Frequency sampling
- D. Both A and B
48. The direct form I and direct form II structures are used for implementing:
- A. FIR filters
- B. IIR filters
- C. Both FIR and IIR filters
- D. Analog filters

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Digital Signal Processing – Multiple Choice Questions (MCQs)

37. The Chebyshev filters are known for their:

38. Butterworth filters are known for their:

39. The poles and zeros of an all-pass filter are related by:

40. A phase-linear filter has a group delay that is:

41. The frequency response of a discrete-time system is periodic with period:

42. The inverse Z-Transform can be found using:

43. The system function H(z) for an FIR filter is typically a:

44. Which of the following is a primary disadvantage of IIR filters compared to FIR filters?

45. The Gibbs phenomenon in FIR filter design is caused by:

46. The Hamming window attempts to reduce the Gibbs phenomenon by:

47. The design of IIR filters typically involves converting an analog filter design to a digital one using methods like:

48. The direct form I and direct form II structures are used for implementing:

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