Digital Communication Questions and Answers
Q1.
Which conveys more information?
Answer :
Low probability event
Q2.
When the base of the logarithm is e, the unit of measure of information is
Answer :
Nats
Q3.
The event with minimum probability has least number of bits.
Answer :
False
Q4.
Entropy of a random variable is
Answer :
Infinite
Q5.
Interpolation provides a mean for estimating functions
Answer :
At the intermediate points
Q6.
Which is more expensive?
Answer :
Polynomial interpolation
Q7.
Mutual information should be
Answer :
Positive & Negative
Q8.
Which achieves greater compression?
Answer :
Lossy coding
Q9.
Which needs more check bits?
Answer :
Error correction
Q10.
Which operates on continuous stream of data?
Answer :
Convolutional codes
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