CompressionLet’s take a look at compression.Take the file Fig 05-15 which can be found on the author’s website (http://facweb.cs.depaul.edu/cwhite (Links to an external site.)Links to an external site.) under "The Textbooks I’ve Written - Chapter Updates - Chapter Five". ( http://facweb.cs.depaul.edu/cwhite/Book/Chapter%20Five.htm (Links to an external site.)Links to an external site. )Download the three files referencing using it with Lab#1 or use the three links below:Chapter05.docPreview the documentCPI.xlsPreview the documentFig05-15.bmp1. What is the format of the file?2. Is this a compressed format?3. What is the size of the file in bytes?Right click on the file and Send To - Compressed (Zipped) Folder. Now examine the compressed file (folder).4. What is the size of the file in bytes?5. By what percentage was the file reduced? (Old Size – New Size) / Old SizeNow let’s take the file Chapter 5 from the same webpage.6. What is the format of the file? Is this a compressed format? What is the size of the file in bytes?Right click on the file and Send To - Compressed (Zipped) Folder. Now examine the compressed file (folder).7. What is the size of the file in bytes?8. By what percentage was the file reduced?Finally, take the file CPI from the same webpage.9. What is the format of the file?10. Is this a compressed format?11. What is the size of the file in bytes?Right click on the file and Send To - Compressed (Zipped) Folder. Now examine the compressed file (folder).12. What is the size of the file in bytes?13. By what percentage was the file reduced?
Compression
Let’s take a look at compression.
Take the file Fig 05-15 which can be found on the author’s website (http://facweb.cs.depaul.edu/cwhite (Links to an external site.)Links to an external site.) under "The Textbooks I’ve Written - Chapter Updates - Chapter Five". ( http://facweb.cs.depaul.edu/cwhite/Book/Chapter%20Five.htm (Links to an external site.)Links to an external site. )
Download the three files referencing using it with Lab#1 or use the three links below:
Chapter05.docPreview the document
CPI.xlsPreview the document
Fig05-15.bmp
1. What is the format of the file?
2. Is this a compressed format?
3. What is the size of the file in bytes?
Right click on the file and Send To - Compressed (Zipped) Folder. Now examine the compressed file (folder).
4. What is the size of the file in bytes?
5. By what percentage was the file reduced? (Old Size – New Size) / Old Size
Now let’s take the file Chapter 5 from the same webpage.
6. What is the format of the file? Is this a compressed format? What is the size of the file in bytes?
Right click on the file and Send To - Compressed (Zipped) Folder. Now examine the compressed file (folder).
7. What is the size of the file in bytes?
8. By what percentage was the file reduced?
Finally, take the file CPI from the same webpage.
9. What is the format of the file?
10. Is this a compressed format?
11. What is the size of the file in bytes?
Right click on the file and Send To - Compressed (Zipped) Folder. Now examine the compressed file (folder).
12. What is the size of the file in bytes?
13. By what percentage was the file reduced?
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