The Burroughs Large Systems Group produced a family of large 48-bit mainframes using stack machine instruction sets with dense syllables.[NB 1] The first machine in the family was the B5000 in 1961, which was optimized for compiling ALGOL 60 programs extremely well, using single-pass compilers. The B5000 evolved into the B5500 (disk rather than drum) and the B5700 (up to four systems running as a cluster). Subsequent major redesigns include the B6500/B6700 line and its successors, as well as the separate B8500 line.
In the 1970s, the Burroughs Corporation was organized into three divisions with very different product line architectures for high-end, mid-range, and entry-level business computer systems. Each division's product line grew from a different concept for how to optimize a computer's instruction set for particular programming languages. "Burroughs Large Systems" referred to all of these large-system product lines together, in contrast to the COBOL-optimized Medium Systems (B2000, B3000, and B4000) or the flexible-architecture Small Systems (B1000).
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languages. "BurroughsLargeSystems" referred to all of these large-system product lines together, in contrast to the COBOL-optimized Medium Systems (B2000...
are an architectural feature of Burroughslargesystems, including the current (as of 2006) Unisys Clearpath/MCP systems. Apart from being stack- and tag-based...
They were also known as Burroughs Medium Systems, by contrast with the BurroughsLargeSystems and Burroughs Small Systems. The B2500 and B3500 computers...
invented by William Seward Burroughs (grandfather of Beat Generation author William S. Burroughs). In 1904, six years after Burroughs' death, the company moved...
is the operating system of the Burroughs B5000/B5500/B5700 and the B6500 and successors, including the Unisys Clearpath/MCP systems. MCP was originally...
PL/S, BLISS, BCPL, and extended ALGOL for Burroughslargesystems. Forth also has applications as a systems language. In the 1970s, C became widespread...
known as the Burroughs Small Systems, by contrast with the BurroughsLargeSystems (B5000, B6000, B7000, B8000) and the Burroughs Medium Systems (B2000, B3000...
(the Burroughslargesystems were multiprocessor systems). ESPOL was used to write the Master Control Program (MCP) on Burroughs computer systems from...
between primary and secondary storage and reduced memory fragmentation. The Burroughs Corporation B5000 computer was one of the first to implement segmentation...
or PL/I, or as a hardware structure in some computers such as Burroughslargesystems. Data descriptors are typically used at run-time to pass argument...
known in Antiquity Emode, a computer architecture used by the Burroughslargesystems Emode.com, a media company Imode (disambiguation) This disambiguation...
Felix Cilk Mainframe computers using the BurroughsLargeSystems architecture and running the MCP operating system can spawn multiple tasks within the same...
Library, the national library of Japan Network Definition Language Burroughslargesystems compiler Network Description Language No Decompression Limit, the...
call-by-name. There are 35 such reserved words in the standard BurroughsLargeSystems sub-language: ALPHA ARRAY BEGIN BOOLEAN COMMENT CONTINUE DIRECT...
process control language for the Burroughslargesystems, including the Unisys ClearPath/MCP series, and their operating system Master Control Program. Developed...
Program) operating system which runs on the Unisys Clearpath series of mainframes. Originally implemented on Burroughslargesystems, it has a range of...
of later languages, some of which soon became more popular. The Burroughslargesystems were designed to be programmed in an extended subset of ALGOL....
the system implementation uses the MMU in some way, this will not be at all visible at the MCP level. Memory controller Burroughslargesystems descriptors...
Sperry Corporation merged with Burroughs Corporation to form Unisys as a result of a hostile takeover bid launched by Burrough's CEO W. Michael Blumenthal...
Burroughslargesystems, which have a data-driven tagged and descriptor-based architecture, and the non-commercial Rice Computer. Both the Burroughs and...
postfix operators are used by some stack machines such as the Burroughslargesystems. Reverse Polish notation (RPN) Function application Lambda calculus...
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