RAMAC: First Disk Drive with Movable Head and Random Access       


Machine Organization Accomplishment | 1956 - 1958

IBM researchers: William Goddard, John Lynott, Louis Stevens

Where the work was done: San Jose

What we accomplishedRAMAC was the first computer to use a random-access disk drive — the 350 Disk Storage Unit  the progenitor of every hard disk drive made in the more than half century since that time.

Related linksWikipedia Article, IBM Article

Image credit: Wikipedia, User RTC on en.wikipedia - Photo by U. S. Army Red River Arsenal

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