Shipped in September 1956, the first 5MB hard disk unit weighed over a ton (2,000 pounds) and was used by the IBM 305 RAMAC, which was the first commercial computer to have a moving-head hard disk.

Logos are a key partof the identity of a business.As the company becomesmore well-known, so does the logo.Many logos are based around a nameor the initials of the company.Others are more abstract ...