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A mainframe computer is large but not as large as a supercomputer and has more processing power than some other classes of computers, such as minicomputers, servers, workstations, and personal computers. Most large-scale computer-system architectures were established in the 1960s, but they continue to evolve. Mainframe computers are often used ...
General Electric. RCA. Some examples of 1960s second generation computers from those vendors are: the IBM 1401, the IBM 7090/7094, and the IBM System/360; the Burroughs 5000 series; the UNIVAC 1107; the NCR 315; the CDC 1604 and the CDC 3000 series; the Honeywell 200, Honeywell 400, and Honeywell 800;
IBM mainframe. IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series and the later System/360, followed by the System/370. Current mainframe computers in IBM's line of business computers are developments of the basic design of the System/360.
Products, services, and subsidiaries have been offered from International Business Machines (IBM) Corporation and its predecessor corporations since the 1890s. [1] This list comprises those offerings and is eclectic; it includes, for example, the AN/FSQ-7, which was not a product in the sense of offered for sale, but was a product in the sense of manufactured—produced by the labor of IBM.
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
Discontinued computer lineup in 2016; computer business restructured as Dynabook Inc. in 2018, with majority of its shares sold to Sharp Corporation the same year; remaining shares sold to Sharp in 2020: TriGem — South Korea: 1980: 2010: Bankruptcy: Trilogy Systems — United States: 1980: 1985: Acquired by Elxsi: TRW Inc. — United States ...
33,000 (1980), 20,000 (1985) [ 1] International Computers Limited ( ICL) was a British computer hardware, computer software and computer services company that operated from 1968 until 2002. It was formed through a merger of International Computers and Tabulators (ICT), English Electric Computers (EEC) and Elliott Automation in 1968.
The IBM System/370 Model 145 was announced September 23, 1970, [ 1] three months after the 155 and 165 [ 2] models. It was the fourth member of the IBM System/370 line of computers, [ a] and was the first IBM computer to use semiconductor memory for its main memory instead of magnetic core memory. [ 4] It was described as being five times ...