Digital Signal Processing Questions and Answers
Q1.
Which of the following is true regarding the number of computations required to compute DFT at any one value of ‘k’?
Answer :
4N real multiplications and 4N-2 real additions
Q2.
Is IIR Filter design by Bilinear Transformation is the advanced technique when compared to other design techniques?
Answer :
True
Q3.
When the frequency band is selected we can specify the sampling rate and the characteristics of the pre filter, which is also called as _____ filter.
Answer :
Anti aliasing filter
Q4.
The truncation error for the sign magnitude representation is symmetric about zero.
Answer :
True
Q5.
Due to non-uniform resolution, the corresponding error in a floating point representation is proportional to the number being quantized.
Answer :
True
Q6.
A single input-single output system and its transpose have identical impulse responses and hence the same input-output relationship.
Answer :
True
Q7.
If M and N are the orders of numerator and denominator of rational system function respectively, then how many memory locations are required in direct form-I realization of that IIR filter?
Answer :
M+N+1
Q8.
The output signal of a system is extracted at a sink node.
Answer :
True
Q9.
The direct form realization is often called a transversal or tapped-delay-line filter.
Answer :
True
Q10.
Computational complexity refers to the number of _____
Answer :
Arithmetic operations
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