Explore topic-wise MCQs in Digital Communications.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

STOCHASTIC_PROCESSES_ARE?$

A. Strict sense stationary process
B. Wide sense stationary process
C. All of the mentioned
D. None of the mentioned
Answer» C. All of the mentioned
2.

Gaussian_process_is_a$

A. Wide sense stationary process
B. Strict sense stationary process
C. All of the mentioned
D. None of the mentioned
Answer» D. None of the mentioned
3.

Stochastic process ar?

A. Random in nature
B. Are function of time
C. Random in nature and are a function of time
D. None of the mentioned
Answer» D. None of the mentioned
4.

In poisson distribution mean is ______ variance.

A. Greater than
B. Lesser than
C. Equal to
D. Does not depend on
Answer» D. Does not depend on
5.

Binomial distribution deals with

A. Continuous random variable
B. Discrete random variable
C. Continuous & Discrete random variable
D. None of the mentioned
Answer» C. Continuous & Discrete random variable
6.

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
Answer» D. None of the mentioned
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
Answer» D. None of the mentioned
8.

The source output in PCM and DPCM is quasi stationary.

A. True
B. False
Answer» C.
9.

Analog source coding method are

A. Temporal waveform coding
B. Spectral waveform coding
C. Model based coding
D. All of the mentioned
Answer» E.
10.

Which method is much better and efficient?

A. Vector quantization
B. Scalar quantization
C. Vector & Scalar quantization
D. None of the mentioned
Answer» B. Scalar quantization