Uniform and Non Uniform Quantization MCQ’s

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This set of Digital Communications Systems Multiple Choice Questions & Answers (MCQs) focuses on “Uniform and Non Uniform Quantization”.

1. The output SNR can be made independent of input signal level by using
a) Uniform quantizer
b) Non uniform quantizer
c) Uniform & Non uniform quantizer
d) None of the mentioned

2. What is the standard value of μ in μ-law ?
a) 128
b) 255
c) 256
d) 0

3. In non uniform quantization, the quantization noise is _______ to signal size.
a) Inversely proportional
b) Directly proportional
c) Equal
d) Double

4. The size of the quantile interval is called as
a) Inter level
b) Step size
c) Quantile size
d) Level width

5. Companding is the process of
a) Compression
b) Expansion
c) Compression & Expansion
d) None of the mentioned

6. The standard value of A in A-law is
a) 87
b) 88
c) 86.7
d) 87.6

7. Uniform quantization provides better quantization for
a) Weak signals
b) Strong signals
c) Weak & Strong signals
d) None of the mentioned

8. Which type of quantization is most preferable for audio signals for a human ear?
a) Uniform quantization
b) Non uniform quantization
c) Uniform & Non uniform quantization
d) None of the mentioned

9. Which value of μ corresponds to linear amplification?
a) μ=0
b) μ=1
c) μ>0
d) μ<0

10. Non uniform quantization provides better quantization for
a) Weak signals
b) Coarse signals
c) Weak & Coarse signals
d) None of the mentioned

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