Digital Signal Processing Questions and Answers, Set 12

Digital Signal Processing Questions and Answers

Q1. 

For a decimation-in-time FFT algorithm, which of the following is true?

Answer : 

Input is in order, and output is shuffled

Q2. 

In the Bilinear Transformation, aliasing of frequency components is avoided.

Answer : 

True

Q3. 

What is the scale used for the measurement of SQNR?

Answer : 

dB

Q4. 

If E=0 and M=0, then which of the following statements is true about X?

Answer : 

Zero

Q5. 

For a twos complement representation, the truncation error is ___

Answer : 

Always negative

Q6. 

If we interchange the rows and columns of the matrix F, then the system is called as _____

Answer : 

Transposed system

Q7. 

If M and N are the orders of the numerator and denominator of the rational system function, respectively, then how many additions are required in direct form-I realization of that IIR filter?

Answer : 

M+N

Q8. 

What are the nodes that replace the adders in the signal flow graphs?

Answer : 

Summing node

Q9. 

How many memory locations are used for storage of the output point of a sequence of length M in direct form realization?

Answer :  

M-1

Q10. 

What is the process of increasing the sampling rate by a factor I?

Answer : 

Interpolation

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