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In
1971, IBM presented its 8-inch floppy disk, which it called a "memory
disk." The technologies behind the disk seem quite simple, but
were revolutionary at the time, and would help to push computing closer
towards the idea of instantly accessible, non-volatile storage, a
concept that would later be embodied by the smaller floppy disks and
finally the hard drive. A rapidly spinning, metal-oxide coated piece
of plastic formed into the shape of a disc was spun at high velocities
beneath a read head. |
8 Inch Floppy Drive

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