The IBM System/4 Pi is a family of avionics computers used, in various versions, on the F-15 Eagle fighter, E-3 Sentry AWACS, Harpoon Missile, NASA's...
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ASC-15B on the Titan Family, IBM GDC on Gemini, IBM LVDC on Saturn 1B/5, IBM System/4 Pi-EP on the MOL, and the IBM System/4 Pi-TC 1 on the Apollo Telescope...
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refer to: IBM System/4 Pi, a family of avionics computers 4Pi microscope, a microscope that uses interference and fluorescence computers 4×π = 12.56637...
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The IBM System/360 (S/360) is a family of mainframe computer systems announced by IBM on April 7, 1964, and delivered between 1965 and 1978. System/360...
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Personal System/2 laptop IBM System/3 IBM System/4 Pi IBM Office System/6 IBM System/7 IBM System/23 IBM System/32 IBM System/34 IBM System/36 IBM System/38...
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four primary general purpose IBM System/4 Pi computers (GPCs) failed to provide correct timing to the backup flight system (BFS) when the GPCs were scheduled...
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ICL System 4 Not-released Unix system between UNIX System III and UNIX System V STS-4 (Space Transportation System-4), the Space Shuttle mission IBM System/4...
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chips become the mainstay of modern computer memory systems. IBM System/4 Pi. IBM ships its first System/4Pi computer, designed to meet U.S. Department of...
217 KB (24,520 words) - 13:29, 30 April 2025
use for mission-critical and high-reliability applications in the IBM System/4 Pi AP-101 (used in the Space Shuttle until an upgrade in early 1990s,...
41 KB (5,527 words) - 18:16, 6 June 2025
The IBM System/370 (S/370) is a range of IBM mainframe computers announced as the successors to the System/360 family on June 30, 1970. The series mostly...
99 KB (7,314 words) - 19:41, 25 May 2025
IBM 7340: IBM 7070/IBM 7074 hypertape (7074 only) IBM 7400: IBM 7070/IBM 7074 Printer IBM 7500: IBM 7070/IBM 7074 Card Reader IBM 7501: IBM 7070/IBM 7074...
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the IBM 1401. It is most well known as the primary programming language of IBM's midrange computer product line, including the IBM i operating system. RPG...
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customized version of the TC-1 computer, a version of the IBM System/4 Pi, itself based on the System 360 computer. The TC-1 had a 16,000-word memory based...
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The IBM Personal Computer AT (model 5170, abbreviated as IBM AT or PC/AT) was released in 1984 as the fourth model in the IBM Personal Computer line,...
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The IBM Naval Ordnance Research Calculator (NORC) was a one-of-a-kind first-generation (vacuum tube) computer built by IBM for the United States Navy's...
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IBM MQ. The products that are included in the MQ family are IBM MQ, IBM MQ Advanced, IBM MQ Appliance, IBM MQ for z/OS, and IBM MQ on IBM Cloud. IBM MQ...
20 KB (2,491 words) - 21:03, 24 November 2024
Raspberry Pi (/paɪ/ PY) is a series of small single-board computers (SBCs) developed in the United Kingdom by the Raspberry Pi Foundation in collaboration...
211 KB (18,911 words) - 22:19, 5 June 2025
Expansion card (section IBM PC and descendants)
with the CP/M operating system, the 50-pin expansion slots of the original Apple II computer from 1977 (unique to Apple), IBM's Industry Standard Architecture...
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File System (JFS) is a 64-bit journaling file system created by IBM. There are versions for AIX, OS/2, eComStation, ArcaOS and Linux operating systems. The...
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PL/I (category IBM software)
pronounced /piː ɛl wʌn/ and sometimes written PL/1) is a procedural, imperative computer programming language initially developed by IBM. It is designed...
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History of computing hardware (1960s–present) (section Timeline of computer systems and important hardware)
second generation computers from those vendors are: the IBM 1401, the IBM 7090/7094, and the IBM System/360; the Burroughs 5000 series; the UNIVAC 1107; the...
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implemented as the Generalized Information Retrieval Language System (GIRLS) on an IBM System/360 in 1965 by Don Nelson and Dick Pick at TRW, whose government...
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(1981), "3.3.4: The Spectral Test", The Art of Computer Programming volume 2: Seminumerical algorithms (2nd ed.), Addison-Wesley. IBM, System/360 Scientific...
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school. Everything changes one day when his friends introduce him to the IBM System/360 mainframe and he becomes "hooked", changing his major to computer...
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Chronology of computation of π (redirect from Chronology of computations of pi)
Pi (approximately 3.14159265358979323846264338327950288) is a mathematical sequence of numbers. The table below is a brief chronology of computed numerical...
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Approximations of π (redirect from Digits of pi)
Approximations for the mathematical constant pi (π) in the history of mathematics reached an accuracy within 0.04% of the true value before the beginning...
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Sierra (supercomputer) (category IBM supercomputers)
upgraded with IBM Power System AC922 nodes. Sierra is composed of 4,474 nodes, 4,284 of which are compute nodes. Each node has 256GB of RAM, 44 IBM POWER9 cores...
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Code page 437 (redirect from IBM 437)
227 (E3hex) is identified by IBM as Greek "Pi Small" [U+03C0, π] but is sometimes rendered in OEM fonts as Greek capital pi [U+03A0, Π] or the n-ary product...
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to the MIPS measure used internally by IBM to rate its mainframe servers (zSeries, IBM System z9, and IBM System z10). Weighted million operations per...
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Microcontrollers operating within embedded systems (such as the Raspberry Pi, Arduino, and other similar systems) do not always have internal hardware to...
30 KB (1,630 words) - 09:42, 28 April 2025