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3 compression levels of archive files in a fun online IT learning game.

"Compression and Archives" is a free online knowledge level game to study examples of compressed file formats and archive size and their properties. Minute to win it game. Interactive computer technology class for desktop computers, laptops and tablets. Sort the files, folders and archives in the correct place of the diagram. Computers learning game, suitable for online classes and interactive lessons. Free online educational game. IT lesson 11 for 8 grade classroom game.

This interactive lesson include the the following elements:
  • A text file with a single word written many times size 50 kb.
  • A Word document with many different words size 100 kb.
  • A picture file with .jpg extension size 200 kb.
  • A folder with a size 150 kb.
  • A folder with size 300 kb.
  • A folder with size 600 kb.
  • Archive file with size 30 kb. (80% compression)
  • Archive file with size 150 kb. (50% compression)
  • Archive file with size 580 kb. (4%compression)
  • Extracted document file.
Compression and Archives Picture

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How to play Compression and Archives.

There are 10 pieces of the puzzle at the top of the screen. Every piece represent a file, a folder or an archive file subtracted from the archive principle diagram in the center of the screen. Drag and drop the pieces where they fit in the compression and archive diagram. Sort all 10 pieces to win the game.

Knowledge Achievements:
Know the basis of archives and get +1 Knowledge Level.
Difficulty: Medium.

Compression and Archives Screenshot

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Class subject: Compression and Archives.

Archive formats are used for backups, mobility, and archiving data. Many archive formats compress the data to consume less storage space and result in quicker transfer times as the same data is represented by fewer bytes. Another benefit is that files are combined into one archive file which has less overhead for managing or transferring. There are numerous compression algorithms available to losslessly compress archived data and some algorithms work better (smaller archive or faster compression) with particular data types. Archive formats are also used by most operating systems to package software for easier distribution and installation than binary executables. An archive file is a file that is composed of one or more computer files along with metadata. Archive files are used to collect multiple data files together into a single file for easier portability and storage, or simply to compress files to use less storage space. Archive files often store directory structures, error detection and correction information, arbitrary comments, and sometimes use built-in encryption. What we learn from this game is that files which have many repeated words or phrases have better compression and that picture files can not have good compression. And that we can place a lot of files in a folder and archive it to make a single file.

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