Portal:Storage/Did you know
From Wikibon
(Difference between revisions)
Line 4: | Line 4: | ||
- | ...that in September 1956, IBM announced the first commercial disk drive, the RAMAC | + | ...that in September 1956, IBM announced the first commercial disk drive, the [http://en.wikipedia.org/wiki/RAMAC RAMAC 305], with 5MB of capacity on fifty 24-inch diameter platters. The RAMAC 305 was priced at $7,800 per megabyte. |
Revision as of 17:47, 31 October 2006
...that 1,000 exabytes equals 1 zettabyte and that 1,000 zettabytes equals 1 yottabyte?
...that a googol is a number equal to a 1 followed by 100 zeros and expressed 10100? This concept was introduced by U.S. mathematician Edward Kasner (1878-1955).
...that in September 1956, IBM announced the first commercial disk drive, the RAMAC 305, with 5MB of capacity on fifty 24-inch diameter platters. The RAMAC 305 was priced at $7,800 per megabyte.