Digital Communication Questions and Answers, Set 93

Digital Communication Questions and Answers

Q1. 

The mutual information between a pair of events is

Answer :   

1. Positive

2. Negative

3. Zero

Q2. 

The unit of average mutual information is

Answer :   

Bits

Q3. 

When the base of the logarithm is 2, then the unit of measure of information is

Answer :   

Bits

Q4. 

Lempel-Ziv algorithm is

Answer :   

Variable to fixed length algorithm

Q5. 

Linear interpolation is

Answer :   

Easy

Q6. 

Interpolation means

Answer :   

Adding new data points

Q7. 

Which reduces the size of the data?

Answer :   

Source coding

Q8. 

Which are uniquely decodable codes?

Answer :   

Fixed length codes

Q9. 

Which is used to protect privacy of the information?

Answer :   

Cipher coding

Q10. 

Which has better minimum distance?

Answer :   

Cyclic redundancy check

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