Digital Communication : UNIT-2

Digital Communication : UNIT-2

University

20 Qs

quiz-placeholder

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Digital Communication : UNIT-2

Digital Communication : UNIT-2

Assessment

Quiz

Education

University

Practice Problem

Hard

Created by

Harsha Samagara

Used 50+ times

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20 questions

Show all answers

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

Media Image

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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