Images: 60 years of IBM innovation

Invented in 1955 and announced in 1956, the hard drive for data storage was developed in San Jose, Calif., by IBM. The 305 Random Access Method of Accounting and Control (RAMAC) offered unprecedented performance by permitting random access to any of the 5 million bytes of data stored on both sides of 50 two-foot-diameter disks. Now, you can't even buy an MP3 player with that little memory.


By Bill Detwiler

Bill Detwiler is Editor in Chief of TechRepublic and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the ...