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IBM Enterprise Systems Architecture is an instruction set architecture introduced by IBM as ESA/370 in 1988. It is based on the IBM System/370-XA architecture.. It extended the dual-address-space mechanism introduced in later IBM System/370 models by adding a new mode in which general-purpose registers 1-15 are each associated with an access register referring to an address space, with ...
Creasy notes: "The family concept of the IBM System/360… was a most amazing turning point in computer development, one which was not universally greeted with enthusiasm. We believed [at CSC] that the architecture of System/360, combining scientific and commercial instruction sets, would be around for a significant period of time.
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.
International Business Machines Corporation (IBM) is a multinational corporation specializing in computer technology and information technology consulting. Headquartered in Armonk, New York, the company originated from the amalgamation of various enterprises dedicated to automating routine business transactions, notably pioneering punched card-based data tabulating machines and time clocks.
An IBM System/360 in use at the University of Michigan c. 1969 IBM guidance computer hardware for the Saturn V Instrument Unit. On April 7, 1964, IBM launched the first computer system family, the IBM System/360. It spanned the complete range of commercial and scientific applications from large to small, allowing companies for the first time to ...
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.
The project became embroiled in an internal IBM political war over time-sharing versus batch processing; and it failed to win the hearts and minds of the academic computer science community, which ultimately turned away from IBM to systems like Multics, UNIX, TENEX, and various DEC operating systems. Ultimately the virtualization concepts ...
In a White House ceremony in 1985, Bob Evans and his colleagues, Fred Brooks (responsible for System/360 architecture and design) and Erich Bloch (responsible for System/360 technology) received the National Medal of Technology “for their contributions to […] the IBM System/360, a computer system and technologies which revolutionized the data processing industry.” [6]