PULSE CODE MODULATION

PULSE CODE MODULATION

University

20 Qs

quiz-placeholder

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PULSE CODE MODULATION

PULSE CODE MODULATION

Assessment

Quiz

Physics, Mathematics

University

Medium

NGSS
HS-PS4-2

Standards-aligned

Created by

Dawn Sivan

Used 32+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In PCM encoding, quantization level varies as a function of ________

Frequency

Amplitude

Square of frequency

Square of amplitude

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The sequence of operations in which PCM is done is

Quantization , encoding , Sampling

encoding ,Quantization , Sampling

Sampling, encoding ,Quantization ,

Sampling, Quantization , encoding

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

One of the disadvantages of PCM is

large bandwidth

Very high noise

cannot be decoded

All the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The error probability of a PCM is

Calculated using noise and inter symbol interference

Gaussian noise + error component due to inter symbol interference

Calculated using power spectral density

All of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quantization noise can be reduced by ________ the number of levels

Decreasing

increasing

doubling

reduced to half

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In uniform quantization process

The step size remains same

Step size varies according to the values of the input signal

The quantizer has linear characteristics

Both a and c are correct

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Source coding reduces

Redundancy

Average bit rate

Redundancy & Average bit rate

None of the mentioned

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