• Thumbnail for PDP-11
    The PDP11 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...
    57 KB (6,854 words) - 12:11, 18 October 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 (4,392 words) - 14:43, 28 October 2024
  • Thumbnail for PDP-10
    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 (5,570 words) - 16:53, 22 September 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...
    1 KB (126 words) - 16:15, 15 May 2023
  • Thumbnail for Programmed Data Processor
    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 (2,370 words) - 03:16, 17 November 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...
    3 KB (383 words) - 14:49, 3 September 2024
  • Thumbnail for Digital Equipment Corporation
    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...
    103 KB (12,484 words) - 04:16, 16 October 2024
  • Thumbnail for RSX-11
    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 (3,316 words) - 08:29, 1 November 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 (3,630 words) - 00:13, 14 November 2024
  • Thumbnail for PDP-15
    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...
    13 KB (1,349 words) - 08:05, 8 October 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...
    1 KB (139 words) - 16:19, 25 October 2024
  • 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 (4,389 words) - 20:58, 24 August 2024
  • Thumbnail for List of members of the House of Representatives of Nigeria, 2019–2023
    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 (3,008 words) - 12:39, 13 September 2024
  • Elsevier. p. 151. ISBN 9780080502526. "Introduction to the PDP-11". University of Sydney. "PDP-11 instruction reference" (PDF). University of Toronto. "Another...
    21 KB (3,017 words) - 15:38, 1 November 2024
  • Thumbnail for DECSYSTEM-20
    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...
    7 KB (703 words) - 14:19, 28 December 2023
  • 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) - 12:58, 23 September 2024
  • Thumbnail for Asymmetric multiprocessing
    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
  • 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
  • Thumbnail for Version 7 Unix
    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
  • 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...
    13 KB (1,394 words) - 23:06, 17 August 2024
  • Thumbnail for Endianness
    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...
    41 KB (4,903 words) - 00:48, 18 November 2024
  • Thumbnail for VAX
    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
  • Thumbnail for VAX-11
    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,...
    18 KB (1,709 words) - 14:08, 7 October 2024
  • version of the PDP-11 assembly language without macro facilities. MACRO-11 was supported on all DEC PDP-11 operating systems. PDP-11 Unix systems also...
    4 KB (324 words) - 01:02, 29 October 2023
  • Thumbnail for RSTS/E
    RSTS/E (redirect from RSTS/11)
    now part of Hewlett-Packard) for the PDP-11 series of 16-bit minicomputers. The first version of RSTS (RSTS-11, Version 1) was implemented in 1970 by...
    42 KB (5,655 words) - 01:19, 30 March 2024
  • Thumbnail for Floating-point unit
    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 (1,654 words) - 09:49, 2 November 2024
  • Thumbnail for Booting
    MRV11-D ROM memories, all usable as bootstrap ROMs. The PDP-11/34 (1976), PDP-11/60 (1977), PDP-11/24 (1979), and most later models include boot ROM modules...
    100 KB (11,274 words) - 08:53, 9 November 2024
  • the PDP-1 computer, the PDP-8 (under OS/8), the Incompatible Timesharing System (ITS) on the PDP-6 and PDP-10, and TOPS-10 and TOPS-20 on the PDP-10....
    23 KB (2,686 words) - 18:25, 24 October 2024
  • Warminster, Pennsylvania. Besides PDP-11, the compiler had code generators for Intel 8080/Zilog Z80, Motorola MC68000, and VAX-11, and it was commonly used as...
    3 KB (347 words) - 21:19, 1 November 2024
  • Thumbnail for Minicomputer
    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) - 12:16, 22 September 2024