Digital Signal Processing Questions and Answers | Digital Signal Processing MCQs

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Questions
1 What is the value of chebyshev polynomial of degree 0?
A 1
B 0
C -1
D 2

Answer:1
2 What is the value of chebyshev polynomial of degree 1?
A 1
B x
C -1
D -x

Answer:x
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3 What is the value of chebyshev polynomial of degree 3?
A 3x3+4x
B 3x3-4x
C 4x3+3x
D 4x3-3x

Answer:4x3-3x
4 What is the value of chebyshev polynomial of degree 5?
A 16x5+20x3-5x
B 16x5+20x3+5x
C 16x5-20x3+5x
D 16x5-20x3-5x

Answer:16x5-20x3+5x
5  For |x|≤1, |TN(x)|≤1, and it oscillates between -1 and +1 a number of times proportional to N.
A True
B False

Answer:True
6 Chebyshev polynomials of odd orders are _____________
A Even functions
B Odd functions
C Exponential functions
D Logarithmic functions

Answer:Odd functions
7 What is the value of TN(0) for even degree N? 
A -1
B +1
C 0
D ±1

Answer:±1
8 TN(-x)=(-1)NTN(x).
A True
B False

Answer:True
9 What is the value of |TN(±1)|?
A 0
B -1
C 1
D None of the mentioned

Answer:1
10 The chebyshev polynomial is oscillatory in the range |x|< ∞.
A True
B False

Answer:False

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