• Thumbnail for IBM SSEC
    The IBM Selective Sequence Electronic Calculator (SSEC) was an electromechanical computer built by IBM. Its design was started in late 1944 and it operated...
    26 KB (2,985 words) - 07:45, 17 January 2025
  • SSEC can refer to: IBM SSEC, an electromechanical calculator in the 1940s Sarnia Sports & Entertainment Centre, Ontario, Canada Secondary Schools Examinations...
    695 bytes (116 words) - 01:42, 25 December 2021
  • floating point numbers. The idea arose from the difficulty of programming the IBM SSEC machine when Backus was hired to calculate astronomical positions in early...
    11 KB (1,009 words) - 12:55, 15 May 2025
  • 1964. IBM SSEC: IBM announced the Selective Sequence Electronic Calculator (SSEC), its initial large-scale digital calculating machine. The SSEC, employing...
    217 KB (24,520 words) - 13:29, 30 April 2025
  • electronic digital stored-program computer. It is sometimes claimed that the IBM SSEC, operational in January 1948, was the first stored-program computer; this...
    16 KB (1,671 words) - 08:13, 23 March 2025
  • Thumbnail for List of IBM products
    1944 IBM SSEC: Selective Sequence Electronic Calculator; 1948 IBM Deep Blue: Chess playing computer developed for 1997 match with Garry Kasparov IBM Watson:...
    189 KB (19,560 words) - 10:23, 4 May 2025
  • Thumbnail for Computer
    mobile computers were heavy and ran from mains power. The 50 lb (23 kg) IBM 5100 was an early example. Later portables such as the Osborne 1 and Compaq...
    139 KB (14,054 words) - 03:48, 16 May 2025
  • Thumbnail for History of computing hardware
    architecture, first implemented in 1948 in America in the electromechanical IBM SSEC and in Britain in the fully electronic Manchester Baby. Zuse suffered setbacks...
    170 KB (17,724 words) - 15:16, 15 May 2025
  • Thumbnail for Harvard Mark I
    Harvard Mark I (redirect from IBM ASCC)
    IBM's help, and the ASCC came to be generally known as the "Harvard Mark I". IBM went on to build its Selective Sequence Electronic Calculator (SSEC)...
    24 KB (2,586 words) - 08:53, 24 April 2025
  • Computer (ILLIAC) at the University of Illinois, (September 1952) The IBM SSEC had the ability to treat instructions as data, and was publicly demonstrated...
    12 KB (1,403 words) - 00:36, 13 November 2024
  • program, where it is used by a later channel command to access the disk. The IBM SSEC, demonstrated in January 1948, had the ability to modify its instructions...
    41 KB (4,981 words) - 15:26, 16 March 2025
  • Thumbnail for Von Neumann architecture
    completed, and some dates are for the first delivery or installation. The IBM SSEC had the ability to treat instructions as data, and was publicly demonstrated...
    35 KB (4,246 words) - 15:48, 27 April 2025
  • Thumbnail for Thomas J. Watson Jr.
    Thomas J. Watson Jr. (category IBM employees)
    overpriced and unreliable, except for one-of-a-kind projects such as the IBM SSEC. Tom Jr. took the company in a new direction, hiring electrical engineers...
    28 KB (3,258 words) - 02:49, 4 April 2025
  • Thumbnail for Model V
    Springer Science & Business Media. pp. 239, 352. ISBN 9783642961458. [...] IBM SSEC [...] was hardly a stored program computer [...] being basically a tape-controlled...
    12 KB (1,022 words) - 14:46, 29 November 2024
  • Thumbnail for Mechanical computer
    2020-07-02. General Information Manual: An Introduction to IBM Punched Card Data Processing. IBM. p. 1. Janda, Kenneth (1965). Data Processing. Northwestern...
    20 KB (1,753 words) - 10:11, 21 March 2025
  • Thumbnail for Robert D. Richtmyer
    being studied at Los Alamos by Stanislaw Ulam. Richtmyer used the massive IBM SSEC calculator for some of the first large-scale uses of what would be called...
    9 KB (750 words) - 21:50, 5 May 2025
  • Thumbnail for John Backus
    John Backus (category IBM Fellows)
    mathematics, and joined IBM in 1950. During his first three years, he worked on the Selective Sequence Electronic Calculator (SSEC); his first major project...
    17 KB (1,408 words) - 21:29, 8 May 2025
  • Edgar F. Codd (category IBM employees)
    New York to work for IBM as a mathematical programmer. Codd first worked for the company's Selective Sequence Electronic (SSEC) project and was later...
    17 KB (1,480 words) - 18:01, 27 April 2025
  • Thumbnail for Cuthbert Hurd
    Cuthbert Hurd (category IBM employees)
    dedication of the IBM Selective Sequence Electronic Calculator (SSEC), a custom-built machine in New York City. He asked if the SSEC could be used for...
    18 KB (1,818 words) - 01:54, 5 May 2025
  • of the Space Science and Engineering Center (SSEC) at the University of Wisconsin–Madison. At the SSEC, Suomi and Parent developed the Spin Scan Cloudcover...
    12 KB (1,641 words) - 15:43, 8 January 2024
  • recruiting tool. Eckert published a description of the SSEC in November 1948. As an employee of IBM, Eckert directed one of the first industrial research...
    13 KB (1,373 words) - 03:12, 10 October 2024
  • James W. Bryce (category IBM employees)
    Selective Sequence Electronic Calculator (SSEC). However, he was too ill to attend the dedication of the SSEC in January 1948, and died in March 1949.: 145 ...
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  • Robert Rex Seeber Jr. (category IBM employees)
    Rex Seeber Jr. (1910-1969), an inventor at IBM, co-invented the Selective Sequence Electronic Calculator (SSEC). He was born in Detroit, Michigan, graduated...
    4 KB (561 words) - 16:14, 20 January 2025
  • Thumbnail for Punched tape
    Harvard Mark I, used paper tape with 24 rows, The IBM Selective Sequence Electronic Calculator (SSEC) used paper tape with 74 rows. Australia's 1951 electronic...
    29 KB (3,411 words) - 01:00, 19 April 2025
  • 2013-08-18. Sokolski, Henry D. (2005). Getting Ready for Nuclear-Ready Iran - ßĘČ Google. DIANE. ISBN 9781428916340. Retrieved 2013-08-18. Co-operation Agreement...
    16 KB (1,493 words) - 17:22, 4 May 2025
  • July 2018. Admin (2015-07-01). "GlobalFoundries Completes Acquisition of IBM Microelectronics Business". GlobalFoundries. Retrieved 2023-03-01. McCallum...
    208 KB (6,860 words) - 23:03, 6 May 2025
  • Thumbnail for Timeline of computing hardware before 1950
    Electric Tabulation Machine". museum.ipsj.or.jp. Retrieved 2022-07-15. "IBM Tabulators and Accounting Machines". "Percy E. Ludgate Prize in Computer...
    68 KB (1,943 words) - 13:44, 1 April 2025
  • Thumbnail for Joseph LaPalombara
    S2CID 144457905. "The Comparative Roles of Groups in Political Systems", SSEC Items, Vol. 15 (June 1969). "Italy: Fragmentation, Isolation and Alienation"...
    19 KB (2,257 words) - 18:58, 18 May 2024