Computer History

Another 3-inch format was Mitsumi's Quick Disk format. The Quick Disk format is referred to in various size references: 2.8-inch, 3-i...

IBM 3370 Direct Access Storage Device Models A1, B1, A11, and B11 announced January 30, 1979 and withdrawn August 5, 1986 Models A2...

Models A2, A2F, B2 & B2F announced July 15, 1975 and withdrawn September 5, 1994 Models C2 and C2F announc...

In 1968, Garrett AiResearch (which employed designers Ray Holt and Steve Geller) was invited to produce a digital computer to compete wit...