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File compression explained
#272 | 1:56 |
Friday June 19, 2009
Tutorials
Friday June 19, 2009
If you're new to computers you may have heard others talking about
compressed files
, but what does that really mean. Yes, you know what compressed means, but how does it pertain to computers and files?Download this episode now
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Windows Media Show Notes
- In the early days of computers disk space was at a premium.
- In 1986 a 10 Megabyte hard drive cost about over US$800.
- Some of the first programs for the PC were
- You can think of a
- The file compression program is "shoving" the files into a smaller space then they would normally occupy. Files are not permanently changed and can be unpacked later.
- This saves on disk space and transmission time.
-
- Graphics file, movies, photos, and many program files compress modestly.
- Text files, documents, and other textual based files compress very well.
- In 1986 a 10 Megabyte hard drive cost about over US$800.
- Some of the first programs for the PC were
compression programs
.- You can think of a
compressed file
as a suitcase that you've packed overly full.- The file compression program is "shoving" the files into a smaller space then they would normally occupy. Files are not permanently changed and can be unpacked later.
- This saves on disk space and transmission time.
-
Files compress
differently and some file formats are already compressed.- Graphics file, movies, photos, and many program files compress modestly.
- Text files, documents, and other textual based files compress very well.
Comments (1)
Share Your Comments
By magicmary about four years ago
(2009-06-19 10:43:23)
(2009-06-19 10:43:23)
what a cool way to explain this. thanks. :)
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