Digital Signal Processing Questions and Answers
Q1.
Which of the following is true in matched z-transform?
Answer :
Poles & Zeros of H(s) are directly mapped to poles in z-plane
Q2.
What should be value of sampling interval T, to avoid aliasing?
Answer :
Sufficiently small
Q3.
Which of the following filters cannot be designed using impulse invariance method?
Answer :
High pass
Q4.
For an analog LTI system to be stable, where should the poles of system function H(s) lie?
Answer :
Left half of s-plane
Q5.
When an application requires a linear phase filter, it should be an FIR filter.
Answer :
True
Q6.
The frequency sampling design method is attractive when the FIR filter is realized in the frequency domain by means of the DFT.
Answer :
True
Q7.
The ideal reconstruction filter is an ideal low pass filter and its impulse response extends for all time.
Answer :
True
Q8.
The basic task of the A/D converter is to convert a discrete set of digital code words into a continuous range of input amplitudes.
Answer :
False
Q9.
If the dynamic range of the signal is smaller than the range of quantizer, the samples that exceed the quantizer are clipped, resulting in large quantization error.
Answer :
False
Q10.
What is the main function of (A/D) or ADC converter?
Answer :
Converts Analog to Digital signal
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