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Mohammad Mehadi Hasan 2019-02-01 00:37:12 +00:00
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Homework 4
(Mohammad Mehadi Hasan)
1. Generate a text file of 100 000 characters, whose compression ratio in the ZIP algorithm is maximal.
Answer:The maximal compression ratio is all the characters are the same digital number or capital letter in a original file.
2. Generate a text file of 100 000 characters, whose compression ratio in the ZIP algorithm is minimal.
Answer : The minimal compression is like novel whose characters are disordered. Specially there are no consective identical character in text file.
3. Generate a bitmap file, whose compression ratio in the JPEG algorithm is maximal.
Answer: The maximal compression Ratio for JPEG file is that of the file which has only one colour like all black or all red.
4. Generate a bitmap file, whose compression ratio in the JPEG algorithm is minimal.
Answer: The minimal compression Ratio for JPEG file is that of the file which is like a real picture where each pixel and the pixel next to it are in different colour.