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Digital Communication: Information Theory and Source Coding
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Digital Communication: Information Theory and Source Coding
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25 Questions

1. Components used for generation of turbo codes are
2. For M equally likely messages, M>>1, if the rate of informaon R > C, the probability of error is
3. For a error free channel, conditional probability should be
4. Which coding terminology deals with the inverse operation of assigned words of second language corresponding to the words in the first language?
5. For M equally likely messages, M>>1, if the rate of information R > C, the probability of error i
6. What is the running time of the Huffman encoding algorithm?
7. Which bit is reserved as a parity bit in an ASCII set?
8. In dictionary techniques for data compaction, which approach of building dictionary is used for the prior knowledge of probability of the frequently occurring patterns?
9. The type of encoding where no character code is the prefix of another character code is called?
10. Which coding technique/s exhibit/s the usability of fixed length codes?
11. According to Shannon Hartley theorem,
12. Huffman coding technique is adopted for constructing the source code with ________ redundancy.
13. According to Shannon Hartley theorem,
14. Which of the following algorithms is the best approach for solving Huffman codes?
15. Information rate basically gives an idea about the generated information per _____ by source.
16. In soft decision approach what does -127 mean?
17. Equivocation is the
18. For M equally likely messages, M>>1, if the rate of informaon R = C, the probability of error is
19. Average effective information is obtained by
20. The negative statement for Shannon's theorem states that
21. How many bits are needed for standard encoding if the size of the character set is X?
22. Which parameter is called as Shannon limit?
23. The code length does not depend on the frequency of occurrence of characters.
24. The channel capacity according to Shannon'
25. In discrete memoryless source, the current letter produced by a source is statistically independent of _____

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