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...
15 KB (1,611 words) - 21:40, 6 June 2025
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...
11 KB (1,096 words) - 09:27, 27 January 2025
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...
585 bytes (81 words) - 13:03, 11 February 2025
The IBM System/360 (S/360) is a family of computer systems announced by IBM on April 7, 1964, and delivered between 1965 and 1978. System/360 was the...
84 KB (8,970 words) - 02:37, 2 August 2025
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...
3 KB (360 words) - 20:27, 20 September 2022
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...
565 bytes (93 words) - 11:34, 10 June 2023
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...
49 KB (5,835 words) - 10:07, 19 July 2025
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...
218 KB (24,583 words) - 22:18, 14 July 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
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...
37 KB (3,529 words) - 08:42, 24 February 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 (5,519 words) - 01:43, 12 July 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...
189 KB (19,576 words) - 06:27, 23 July 2025
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...
112 KB (12,662 words) - 00:16, 30 July 2025
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,...
31 KB (2,767 words) - 14:01, 17 July 2025
and Pi 2 Pi 3 Pi 3+ Pi 4 Pi 5 The recommended operating system is Raspberry Pi OS, a Debian-based Linux distribution optimized for Raspberry Pi hardware...
113 KB (10,633 words) - 14:23, 29 July 2025
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...
10 KB (1,028 words) - 07:36, 1 December 2024
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
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...
22 KB (2,752 words) - 14:24, 22 July 2025
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...
12 KB (1,309 words) - 16:07, 28 May 2025
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...
98 KB (12,114 words) - 13:59, 30 July 2025
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...
54 KB (4,985 words) - 10:51, 24 May 2025
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...
50 KB (3,165 words) - 21:12, 23 June 2025
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...
5 KB (357 words) - 04:01, 21 July 2025
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...
31 KB (3,378 words) - 11:24, 6 May 2025
ESCON commands, used by IBM mainframe computers, over Fibre Channel. Fibre Channel can be used to transport data from storage systems that use solid-state...
34 KB (3,318 words) - 17:42, 10 July 2025
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...
42 KB (1,673 words) - 02:33, 21 July 2025
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...
10 KB (1,390 words) - 18:30, 23 May 2025
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...
65 KB (3,426 words) - 14:36, 24 July 2025
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...
87 KB (12,075 words) - 23:36, 20 July 2025
Samuel J. Palmisano (category Beta Theta Pi)
29, 1951) is a former president and the eighth chief executive officer of IBM until January 2012. He also was chairman of the company until October 1,...
19 KB (1,703 words) - 10:41, 19 February 2025