Data Compression and Data Retrieval Mock Test

1. Dictionary based compression...

2. What is the correct Run-length encoding for the data: cccmmmmmsssssdcccccc

3. Coding redundancy works on

4. Run-length encoding..

5. Which of the following are not in a compressed format?

6. The Attribute Used To Define A New Namespace Is

7. Digitizing the image intensity amplitude is called

8. Sequence of code assigned is called

9. Compressed image can be recovered back by

10. Compression is done for saving

11. Hashing gives each item

12. Digital video is sequence of

13. The best visual compression quality is achieved using

14. Identify types of lossless compression

15. Every run length pair introduce new

16. An xml component that defines the structure of a document is known as a(n):

17. In the coding redundancy technique we use

18. When is Run Length Encoding used?

19. The xml dom object is

20. System of symbols to represent event is called

21. With XML:

22. What is not true about xml?

23. Information lost when expressed mathematically is called

24. Whats so great about xml?

25. What does xml stand for?

26. Which of the following would not be suitable for Lossy Compression?

27. In Huffman coding, the actual output of the encoder is determined by a set of

28. Entropy coding can be used for

29. The PNG standard is one of the first standards to be collaboratively developed over the

30. Limitations of huffman coding is

31. The set of binary sequences is called a code, and the individual members of the set are called

32. The main aim of arithmetic coding is to assign the _____to each symbol.

33. Lz77 exploits the fact that words and phrases within a ____would be repeated.

34. Probability Models Know As..

35. LZB achieves a better compression than

36. The ITU-T recommendation V.42 bis is a compression standard devised for use over a

37. Arithmetic coding completely bypass the idea of replacing every input symbol with a

38. Once we have started decoding, all we have to do is ___the encoder algorithm.

39. The set of binary sequences is called a

40. Arithmetic algorithms as well as huffman algorithms are based on

41. Advantage of arithmetic coding is that

42. LZH is performed in ___ phases

43. Limitations of arithmetic coding

44. Entropy coding can be used for compression of any type of data in a

45. In LZ77 encoding process one reference (a triple) is transmitted for several input symbols and hence it is

46. RLE Is Designed Especially For Data With

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