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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 | |