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(a) Differentiate between the following compression algorithm:
1. Shannon -Fano Algorithm and 2. Huffman Encoding
(b) A statistical encoding algorithm is being considered for the transmission of a large number of long text files over a public network. Part of the file content .is as follows:
DODOCOCORICO
Using the Shannon - Fano algorithm compute the following:
i) the average number of bits per codeword
ii) the entropy of the source
iii) the minimum number of bits required assuming fixed-length codeword
iv) the compression ratio based on this algorithm if we assume an ASCII of 8 bits representation
Describe any two methods for drawing thick lines. Two method for drawing thick lines are: (1) Using the line- width command: "setline width scale factor (iw)" Line width param
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What is Multimedia: People only remember 20 percent of what they see and 30 percent of what they hear. But they keep in mind 50 percent of what they see and hear and as much as 80
what is raster scan systems
Determine the advantages of raster-scan systems (i) Rasterisation is now performed faster since a special purpose processor is used. (ii) The CPU is not slowed down by the
What is the maximum number of objects such can be handled via the depth/z- buffer algorithm? Solution : In z-buffer algorithm, an arbitrary number of objects can be handled sin
Characteristics of Bitmap Data: Bitmap data can take up many rooms. A CMYK A-4 size picture which is optimized for medium quality printing (150 lpi) takes up 40 Mage Bytes. Compre
expalin 3-dimentional display methods
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Character Generation You know that graphics displays often contain components which are text based. For example graph labels, annotations, descriptions on data flow diagrams,
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