IBM






International Business Machines
Originally established as the Computing-Tabulating-Recording Company
1924 Name changed to IBM
1951 In Britain the company’s subsidiary went public as I. B. M. United Kingdom
By 1967 IBM had installed a total of 21,500 computers, including 5730 IBM System 360s[1]
1981 Put first IBM PC on sale. This was followed by many clones, the first fully equivalent machine, the Compaq Portable, entered the market a year later.
