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Burroughs large systems descriptors information


Descriptors are an architectural feature of Burroughs large systems, including the current (as of 2006) Unisys Clearpath/MCP systems. Apart from being stack- and tag-based, a notable architectural feature of these systems is that they are descriptor-based. Descriptors are the means of having data that does not reside on the stack such as arrays and objects. Descriptors are also used for string data as in compilers and commercial applications.

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Burroughs large systems descriptors

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Descriptors are an architectural feature of Burroughs large systems, including the current (as of 2006) Unisys Clearpath/MCP systems. Apart from being...

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Burroughs Large Systems

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languages. "Burroughs Large Systems" referred to all of these large-system product lines together, in contrast to the COBOL-optimized Medium Systems (B2000...

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Burroughs Medium Systems

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They were also known as Burroughs Medium Systems, by contrast with the Burroughs Large Systems and Burroughs Small Systems. The B2500 and B3500 computers...

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Segment descriptor

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architectures, segment descriptors are a part of the segmentation unit, used for translating a logical address to a linear address. Segment descriptors describe the...

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Data descriptor

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or as a hardware structure in some computers such as Burroughs large systems. Data descriptors are typically used at run-time to pass argument information...

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Memory management unit

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some way, this will not be at all visible at the MCP level. Burroughs large systems descriptors Memory controller Memory protection unit Memory Management...

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Memory segmentation

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An access descriptor contains permission bits and a 26-bit object index; the object index is an index into a table of object descriptors, giving an object...

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History of operating systems

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the Real-Time Basic (RTB) system to support large-scale time sharing, also patterned after the Dartmouth BASIC system. Burroughs Corporation introduced the...

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Virtual memory

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is adopted in OS kernels". Burroughs (1964). Burroughs B5500 Information Processing System Reference Manual (PDF). Burroughs Corporation. 1021326. Retrieved...

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CANDE

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Program) operating system which runs on the Unisys Clearpath series of mainframes. Originally implemented on Burroughs large systems, it has a range of...

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Tagged architecture

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Burroughs large systems, which have a data-driven tagged and descriptor-based architecture, and the non-commercial Rice Computer. Both the Burroughs and...

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GE 645

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of the system. However they would subsequently withdraw it from active marketing at the end of 1966. In total at least 6 sites ran GE 645 systems in the...

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COBOL

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administrative systems for companies and governments. COBOL is still widely used in applications deployed on mainframe computers, such as large-scale batch...

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GIF

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Devices, Circuits and Systems (ICDCS)". Devices, Circuits and Systems (ICDCS). International Conference on Devices, Circuits and Systems (ICDCS). Karunya University;...

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ICL 2900 Series

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the movable 'top' of the stack; the DR register is used for holding descriptors for addressing into the heap, and so on. There are also two 32-bit pointers...

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Bernard Vauquois

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ARIANE-78 machine translation system. In 1974, when he cofounded the Leibniz laboratory, he proposed "multilevel structure descriptors" (descripteurs de structures...

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Fortran

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preprocessor into their systems. SIMSCRIPT is an application specific Fortran preprocessor for modeling and simulating large discrete systems. The F programming...

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BASIC interpreter

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system with a generic assembler. One exception to the use of assembly was the use of ALGOL 60 for the Paisley XBASIC interpreter for Burroughs large systems...

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List of genres

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"sword and planet" more directly imitates the conventions established by Burroughs in the Barsoom series. Dying Earth: A subgenre of science fantasy that...

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Psychedelia

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From the second half of the 1950s, Beat Generation writers like William Burroughs, Jack Kerouac and Allen Ginsberg wrote about and took drugs, including...

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