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Mainframe computers are often used as servers. The term mainframe was derived from the large cabinet, called a main frame, [2] that housed the central processing unit and main memory of early computers. [3] [4] Later, the term mainframe was used to distinguish high-end commercial computers from less powerful machines. [5]
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.
Mainframe computers are computers used primarily by businesses and academic institutions for large-scale processes. Before personal computers, first termed microcomputers, became widely available to the general public in the 1970s, the computing industry was composed of mainframe computers and the relatively smaller and cheaper minicomputer variant.
The IBM 701 was the first computer in the IBM 700/7000 series, which were IBM’s high-end computers until the arrival of the IBM System/360 in 1964. [5] The business-oriented sibling of the 701 was the IBM 702 and a lower-cost general-purpose sibling was the IBM 650, which gained fame as the first mass-produced computer. [4] [6]
An IBM 704 computer at NACA in 1957 An IBM 704 computer, with IBM 727 tape drives and IBM 780 CRT display IBM 704 at the Museo Nazionale Scienza e Tecnologia Leonardo da Vinci, Milan. The IBM 704 is the model name of a large digital mainframe computer introduced by IBM in 1954.
On mainframe computers. Years listed are those in which early mainframe games and others are believed to have originally appeared. Often these games were continually ...
In the early 1960s IBM undertook similar projects for other airlines and soon decided to produce a single standard booking system, PARS, to run on System/360 computers. In SABRE and early versions of PARS there was no separation between the application and operating system components of the software, but in 1968 IBM divided it into PARS ...
The IBM System/360 (S/360) is a family of mainframe computer systems announced by IBM on April 7, 1964, [1] and delivered between 1965 and 1978. [2] System/360 was the first family of computers designed to cover both commercial and scientific applications and a complete range of applications from small to large.