Digital Communication Questions and Answers
Q1.
The output of an information source is
Answer :
Random
Q2.
Binary Huffman coding is a
Answer :
Prefix condition code
Q3.
The self information of random variable is
Answer :
Infinite
Q4.
Interpolation is done by
Answer :
Curve fitting & Regression analysis
Q5.
Which produces smoother interpolants?
Answer :
Polynomial & Spline interpolation
Q6.
While recovering signal, which gets attenuated more?
Answer :
High frequency component
Q7.
Which coding method uses entropy coding?
Answer :
Lossy coding
Q8.
Which needs re-sending of signal?
Answer :
Error detection
Q9.
Which are forward error correcting codes?
Answer :
Block & Convolutional codes
Q10.
In layering, n layers provide service to
Answer :
n+1 layer
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