On this day in economic and business history... International Business Machines unveiled the world's first hard-disk-drive-equipped computer on Sept. 13, 1958. IBM's 305 RAMAC had a 3.75-megabyte ...

A punched card was once the basis for digital information used for computer programs and data storage. They were widely used throughout the first half of the 20th century in processing machines to ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This component is from IBM's RAMAC ...

The RAMAC 305 was the precursor to the IBM 1301 disk storage unit. When released in 1961, the 1301 was the first storage system that used “flying heads” on actuator arms to read and write data to its ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the 1950s, IBM introduced a random ...

NEW YORK, N.Y.—Built around the IBM disc memory, a random access memory unit has a storage capacity of 5,000,000 digits. Any of these digits can be reached directly without scanning through ...

Just to remind you how far we’ve come technologically, this is a 5 MB hard disc from 1956. It weighs over a ton. The hard disc was originally part of the IBM 305 RAMAC, the first commercial computer ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the key events in IBM's market-thrashing transformation into a modern computing pioneer took place on this day in 1958. IBM ...

The image is a hard disk drive withonly 5 MBof storage (we get 16 GB + nowadays in our USB memory sticks—that’s 3,200 of these 1956 hard drives!) The good news was that it replaced punch cards 1 ...

After exploring various technologies, including wire matrices and rod arrays, IBM invented the hard disk drive in 1953 at its San Jose, California, lab. Initially, the technology was referred to as a ...