IBM 305 RAMAC
First computer to use magnetic disk storage / From Wikipedia, the free encyclopedia
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The IBM 305 RAMAC was the first commercial computer that used a moving-head hard disk drive (magnetic disk storage) for secondary storage.[1] The system was publicly announced on September 14, 1956,[2][3] with test units already installed at the U.S. Navy and at private corporations.[2] RAMAC stood for "Random Access Method of Accounting and Control",[4] as its design was motivated by the need for real-time accounting in business.[5]
Quick Facts Developer, Manufacturer ...
Developer | IBM |
---|---|
Manufacturer | IBM |
Release date | September 14, 1956; 67 years ago (1956-09-14) |
Introductory price | US$3,200 (equivalent to $34,700 in 2023) per month |
Discontinued | 1961 |
Units sold | More than 1,000 |
Successor | IBM 1401 |
Website | www |
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