Page 9 - June_Newsletter_2024

Compression – Lossless

Text document has many instances of “the“
Table defines a character e.g. “{“ as “the“ – costs 4 characters
Replace all “the“ with “{” - saves 2 characters per instance

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Compression – Lossy

Tonight we are at a meeting of the Melton Mowbray Computer
Club

Tnght w r t mtng f th Mltn Mwbry Cmptr Clb

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Compress/Archive Packages

⚫ Most packages perform both roles

⚫ ZIP, RAR, TAR, JAR, WAR, etc
⚫ https://fileinfo.com/filetypes/compressed lists 358 different file
types

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Finally Alan gave us a presentation Video and Audio files.