The PDP–11 is a series of 16-bit minicomputers sold by Digital Equipment Corporation (DEC) from 1970 into the late 1990s, one of a set of products in the...
58 KB (6,850 words) - 01:37, 5 August 2024
The PDP-11 architecture is a 16-bit CISC instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC). It is implemented by central...
51 KB (4,391 words) - 01:31, 25 July 2024
The PDP-11/73 (strictly speaking, the MicroPDP-11/73) was the third generation of the PDP-11 series of 16-bit minicomputers produced by Digital Equipment...
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Digital Equipment Corporation (DEC)'s PDP-10, later marketed as the DECsystem-10, is a mainframe computer family manufactured beginning in 1966 and discontinued...
50 KB (5,588 words) - 15:20, 12 July 2024
minicomputers PDP-1, 1959 PDP-4, 1962 PDP-5, 1963 PDP-6, 1963 PDP-7, 1964 PDP-8, 1965 PDP-9, 1966 PDP-10, mainframe computer 1966-1983 PDP-11, 16-bit minicomputers...
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Programmed Data Processor (redirect from PDP-3)
Programmed Data Processor (PDP), referred to by some customers, media and authors as "Programmable Data Processor," is a term used by the Digital Equipment...
19 KB (2,367 words) - 10:47, 7 January 2024
Digital Equipment Corporation (section PDP-11 (1970))
The company produced a series of machines known as the PDP line, with the PDP-8 and PDP-11 being among the most successful minis in history. Their success...
102 KB (12,412 words) - 08:52, 19 August 2024
RSX-11 is a discontinued family of multi-user real-time operating systems for PDP-11 computers created by Digital Equipment Corporation. In widespread...
30 KB (3,303 words) - 13:17, 19 January 2024
Symposium on Operating Systems Principles where Unix was first presented. A PDP-11/45 was bought to run the system, but for budgetary reasons, this machine...
29 KB (3,543 words) - 04:38, 16 August 2024
Mentec (redirect from Mentec PDP-11)
Computer Systems Limited was a subsidiary of Mentec Limited that repackaged PDP-11 processors. Mentec Inc. was a US-based subsidiary of Mentec Limited. In...
10 KB (1,172 words) - 20:41, 15 August 2024
the PDP-15 has compilers for Fortran and ALGOL. The 18-bit PDP systems preceding the PDP-15 were named PDP-1, PDP-4, PDP-7 and PDP-9. The last PDP-15 was...
12 KB (1,316 words) - 23:39, 9 April 2024
PL-11 is a high-level machine-oriented programming language for the PDP-11, developed by R.D. Russell of CERN in 1971. Written in Fortran IV, it is similar...
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elected as a member of the PDP but switched to the LP during their term. This House member was elected as a member of the PDP but switched to the APGA during...
163 KB (3,038 words) - 18:38, 7 August 2024
Asymmetric multiprocessing (section PDP-11/74)
Equipment Corporation developed, but never released, a multiprocessor PDP-11, the PDP-11/74, running a multiprocessor version of RSX-11M. In that system, either...
11 KB (1,296 words) - 23:13, 13 September 2023
address. As machines with ASCII processing became common, notably the DEC PDP-11 that arrived at Bell Labs, support for character data stuffed in memory...
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Orthogonal instruction set (section The PDP-11)
Approach. p. 151. ISBN 9780080502526. "Introduction to the PDP-11". University of Sydney. "PDP-11 instruction reference" (PDF). University of Toronto. "Another...
21 KB (3,008 words) - 23:47, 30 May 2024
RT-11 (Real-time 11) is a discontinued small, low-end, single-user real-time operating system for the full line of Digital Equipment Corporation PDP-11 16-bit...
23 KB (2,925 words) - 22:02, 6 July 2024
DECSYSTEM-20 (redirect from PDP-20)
as a way of differentiating them from the PDP-11. Later on, those systems running TOPS-20 (on the KL10 PDP-10 processors) were labeled DECSYSTEM-20 (the...
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the directory of a reserved system account. While this was suitable for PDP-11 systems, which possessed limited permanent storage capacity, VAX systems...
30 KB (4,396 words) - 20:48, 8 October 2023
and integer values in the optional floating-point processor of the PDP-11/45, PDP-11/70, and in some later processors, stored 32-bit "double precision...
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memory while still being compatible with unmodified user mode PDP-11 code. The name "VAX-11", used on early models, was chosen to highlight this capability...
32 KB (3,030 words) - 11:23, 12 August 2024
The PDP-8 is a family of 12-bit minicomputers that was produced by Digital Equipment Corporation (DEC). It was the first commercially successful minicomputer...
57 KB (6,972 words) - 14:59, 17 July 2024
mode PDP-11 code (thus the -11 in VAX-11), offering an upward compatible path for existing customers. The first machine in the series, the VAX-11/780,...
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Equipment Corporation computers, including the PDP-6, PDP-8, LINC-8, PDP-9, PDP-10, PDP-11, PDP-12, and the PDP-15. On DEC's 32-bit systems, VAX/VMS support...
18 KB (2,395 words) - 03:48, 27 September 2023
1980s. V7 was originally developed for Digital Equipment Corporation's PDP-11 minicomputers and was later ported to other platforms. Unix versions from...
13 KB (1,165 words) - 12:46, 21 January 2024
processors. Several models of the PDP-11, such as the PDP-11/45, PDP-11/34a,: 184–185 PDP-11/44,: 195, 211 and PDP-11/70,: 277, 286–287 supported an...
16 KB (1,628 words) - 22:24, 8 July 2024
advantage of PDP-11 features such as byte addressability. In 1971, Ritchie started to improve B, to utilise the features of the more-powerful PDP-11. A significant...
100 KB (11,066 words) - 21:52, 16 August 2024
this space. By the early 1970s, most minis were 16-bit, including DEC's PDP-11. For a time, "minicomputer" was almost synonymous with "16-bit", as the...
22 KB (2,703 words) - 07:34, 13 August 2024
SM EVM (category PDP-11)
are clones of DEC PDP-11 and VAX. SM-1 and SM-2 are clones of Hewlett-Packard minicomputers. The common operating systems for the PDP-11 clones are translated...
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