Question: Q#1: Subject name (Information theory and coding) What do you understand by information? What are its units? How does it relate to the entropy? What

Q#1: Subject name (Information theory and coding)

  1. What do you understand by information? What are its units? How does it relate to the entropy?
  2. What do you mean by Prefix coding? Give its properties.
  3. Define i) Joint entropy; and ii) Conditional entropy.
  4. Define Mutual Information. Explain how it is related to entropy for a lossless channel, prove that H(X/Y) = 0.
  5. Explain the following terms:

i) Viterbi Coder.

ii) Lempel Ziv coding.

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