Floppy Disk Formats 720KB 3.5" DS/DD 1.44MB 3.5" DS/HD 2.88MB 3.5" DS/ED (IBM only) 360KB 5.25" DS/DD 1.2MB 5.25" DS/HD DS = double sided DD = double density HD = high density ED = extra=high ...
Invented by Alan Shugart at IBM in 1967, the original floppy disk design measured 8 inches (200mm) in diameter, stored 80KB of data and became available for purchase in 1971 as a part of IBM's ...
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