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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 IBM System/360 architecture is the model independent architecture for the entire S/360 line of mainframe computers, including but not limited to the instruction set architecture. The elements of the architecture are documented in the IBM System/360 Principles of Operation [ 1 ] [ 2 ] and the IBM System/360 I/O Interface Channel to Control ...
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 ]
The Model 20 was available with six memory sizes: 4, 8, 12, 16, 24 and 32 KB. As in other models of System/360, memory is byte-addressable. [1]: p.1 It has eight 16-bit general purpose registers numbered R8 through R15 which can be used in computations as base registers.
OS/360, officially known as IBM System/360 Operating System, [1] [2] is a discontinued batch processing operating system developed by IBM for their then-new System/360 mainframe computer, announced in 1964; it was influenced by the earlier IBSYS/IBJOB and Input/Output Control System (IOCS) packages for the IBM 7090/7094 [citation needed] and even more so by the PR155 Operating System for the ...
The IBM System/360 Model 67 (S/360-67) was an important IBM mainframe model in the late 1960s. [1] Unlike the rest of the S/360 series, it included features to facilitate time-sharing applications, notably a Dynamic Address Translation unit , the "DAT box", to support virtual memory , 32-bit addressing and the 2846 Channel Controller to allow ...
Radiative transfer (also called radiation transport) is the physical phenomenon of energy transfer in the form of electromagnetic radiation. The propagation of radiation through a medium is affected by absorption , emission , and scattering processes.
The RAD5500 is a radiation-hardened 64-bit processor core design created by BAE Systems Electronics, Intelligence & Support based on the PowerPC e5500 designed by IBM and Freescale Semiconductor. [ 1 ] [ 2 ] [ 6 ] Successor of the RAD750 , the RAD5500 processor platform is for use in high radiation environments experienced on board satellites ...