KERALA UNIVERSITY Class 7 information theory and coding Question Paper 2008

Practice authentic previous year questions for better exam preparation.

Sample Questions

What are perfect codes?
What are Hamming codes?
Find the capacity of Binary Symmetric Channel (BSC).
The parity check matrix for a $(7,4)$ linear block code is expressed as $$ H=\left[\begin{array}{lllllll} 1 & 1 & 1 & 0 & 1 & 0 & 0 \\ 1 & 1 & 0 & 1 & 0 & 1 & 0 \\ 1 & 0 & 1 & 1 & 0 & 0 & 1 \end{array}\right] $$ (a) Obtain the generator matrix
The parity check matrix for a $(7,4)$ linear block code is expressed as $$ H=\left[\begin{array}{lllllll} 1 & 1 & 1 & 0 & 1 & 0 & 0 \\ 1 & 1 & 0 & 1 & 0 & 1 & 0 \\ 1 & 0 & 1 & 1 & 0 & 0 & 1 \end{array}\right] $$ (b) Find all possible codewords