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səhifə | 12/44 | tarix | 05.01.2022 | ölçüsü | 482 b. | | #76196 |
| GENETRIX initiated by USAF
IBM invents magnetic disk storage with the IBM 305 RAMAC System - Motivated by the need for real time accounting in business
- The 350 RAMAC (Random Access Method of Accounting and Control) stored 5 million 7-bit (6-bits plus 1 odd parity bit) characters (~4.4 MB)
- It had fifty 24-inch (610 mm) diameter disks with 100 recording surfaces
- Data transfer rate was 8,800 characters per second
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