June 12, 2021

Random Processes MCQ’s

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This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on “Random Processes”.

1. The type of distortion which occurs in delta modulation is
a) Slope overload distortion
b) Granular noise
c) Slope overload distortion & Granular noise
d) None of the mentioned

2. Analog source coding method are
a) Temporal waveform coding
b) Spectral waveform coding
c) Model based coding
d) All of the mentioned

3. Which method is much better and efficient?
a) Vector quantization
b) Scalar quantization
c) Vector & Scalar quantization
d) None of the mentioned

4. Stochastic processes are
a) Strict sense stationary process
b) Wide sense stationary process
c) All of the mentioned
d) None of the mentioned

5. The source output in PCM and DPCM is quasi stationary.
a) True
b) False

6. In poisson distribution mean is ______ variance.
a) Greater than
b) Lesser than
c) Equal to
d) Does not depend on

7. Which reduces the dynamic range of quantization noise in PCM?
a) Non uniform quantizer
b) Uniform quantizer
c) Adaptive quantizer
d) None of the mentioned

8. Stochastic process are
a) Random in nature
b) Are function of time
c) Random in nature and are a function of time
d) None of the mentioned

9. Binomial distribution deals with
a) Continuous random variable
b) Discrete random variable
c) Continuous & Discrete random variable
d) None of the mentioned

10. Gaussian process is a
a) Wide sense stationary process
b) Strict sense stationary process
c) All of the mentioned
d) None of the mentioned

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