Digital Communication : UNIT-2
Quiz
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Education
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University
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Practice Problem
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Hard
Harsha Samagara
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The process of approximating the continuous set of values with a finite set of values is called _________ .
Modulation
Quantization
Sampling
Approximation
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Select the correct order of blocks in PCM transmitter.
Encoder, Quantizer, Sampler, Low pass filter.
Low pass filter, Sampler, Quantizer, Encoder.
Low pass filter, Quantizer, Sampler, Encoder.
Low pass filter, Encoder, Sampler, Quantizer.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
PCM Transmitter doesn't consist this block.
Low pass filter
Sampler
Amplifier
Encoder
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The difference between the actual analog value and approximated discrete value due to the rounding is called __________
quantization error
normal error
reading error
sampling error
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quantization noise ____________ the SNR of a signal.
reduces
increases
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Each quantized sample is assigned the binary code that represents the discrete amplitude value closest to the pulse's actual value. This is known as ________
Quantization
Sampling
Encoding
Decoding
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The task of a Regenerative repeater is .....
Equalization
Timing
Decision making
All of these.
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