Digital Signal Processing Questions and Answers
Q1.
The time required to complete the conversion of Analog to Digital is ______ the duration of the hold mode of S/H.
Answer :
Less than
Q2.
In A/D converter, what is the time relation between sampling period T and the duration of the sample mode and the hold mode?
Answer :
Should be larger than the duration of sample mode and hold mode
Q3.
Which of the following is the right way to reduce distortion in the DM?
Answer :
By setting up an integrator in front of DM
Q4.
For a given number of bits, the power of quantization noise is proportional to the variance of the signal to be quantized.
Answer :
True
Q5.
The simplest form of differential predictive quantization is called?
Answer :
DM
Q6.
What is the abbreviation of DM?
Answer :
Delta Modulation
Q7.
To what value should the bandwidth of x(n) has to be reduced in order to avoid aliasing?
Answer :
F/2D
Q8.
Which of the following is true about the filtering operation on x(n)?
Answer :
Linear and time invariant
Q9.
The systems that employ multiple sampling rates are called multi-rate DSP systems.
Answer :
True
Q10.
Which of the following methods are used in sampling rate conversion of a digital signal?
Answer :
D/A convertor, A/D convertor & Performing entirely in digital domain
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