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Used Punchcard | by BinaryApe
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Used Punchcard

This card was used to load software into an old mainframe computer. Each byte (maybe the letter 'A', for example) is entered by punching out a row of holes.

 

You may scoff at the low-tech but this data has survived longer than most CD-Rs will last - they rot in a decade or so...

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Taken on November 6, 2010