2. IBM: IBM(International Business Machines) is the largest computer manufacturer. BM made office equipment long before the 1950s when it started making computers. In 1981/IBM introduced the IBM/ PC which quickly became one of the most popular microcomputers. Now many other companies produce software or peripherals designed to be used with the IBM PC, and several companies produce computers designed to run the same programs as the IBM PC.IBM大中华地区董 The headquarters of BM is in Armonk,事长兼首席执行总 New york 裁周伟焜2. IBM: IBM (International Business Machines) is the largest computer manufacturer. IBM made office equipment long before the 1950s, when it started making computers. In 1981 IBM introduced the IBM PC, which quickly became one of the most popular microcomputers. Now many other companies produce software or peripherals designed to be used with the IBM PC, and several companies produce computers designed to run the same programs as the IBM PC. The headquarters of IBM is in Armonk, New York. IBM大中华地区董 事长兼首席执行总 裁 周伟焜