Used Punchcard : 無料・フリー素材/写真
Used Punchcard / BinaryApe
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | 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... |
| 撮影日 | 2010-11-06 17:51:56 |
| 撮影者 | BinaryApe , Manchester, UK |
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