Wednesday, September 15, 2010

Which companies invented the intricate disk and optical disk?


Which companies invented the intricate disk and optical disk?

IBM, for the tricky disk:



http://en.wikipedia.org/wiki/history_of_...



And it looks like a man name David Paul Gregg invented the optical disc:



http://en.wikipedia.org/wiki/optical_dri...



:)
Reynold Johnson from IBM invented the hard drive. Phillips and Sony both made the compact disc...or so wikipedia say.


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