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  2. Atanasoff–Berry computer - Wikipedia

    en.wikipedia.org/wiki/Atanasoff–Berry_computer

    The Atanasoff–Berry computer (ABC) was the first automatic electronic digital computer. [1] The device was limited by the technology of the day. The ABC's priority is debated among historians of computer technology, because it was neither programmable , nor Turing-complete . [ 2 ]

  3. Clifford Berry - Wikipedia

    en.wikipedia.org/wiki/Clifford_Berry

    Clifford Berry was born April 19, 1918, in Gladbrook, Iowa, to Fred and Grace Berry. [1] His father owned an appliance repair shop, where he was able to learn about radios. [1] He graduated from Marengo High School in Marengo, Iowa, in 1934 as the class valedictorian at age 16. [2]

  4. Computer engineering - Wikipedia

    en.wikipedia.org/wiki/Computer_engineering

    Together, they created the Atanasoff-Berry computer, also known as the ABC which took five years to complete. [8] While the original ABC was dismantled and discarded in the 1940s, a tribute was made to the late inventors; a replica of the ABC was made in 1997, where it took a team of researchers and engineers four years and $350,000 to build. [9]

  5. List of multiple discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_multiple_discoveries

    The later Atanasoff–Berry Computer ("ABC"), designed by John Vincent Atanasoff and Clifford Berry, was the first fully electronic digital computing device; [80] while not programmable, it pioneered important elements of modern computing, including binary arithmetic and electronic switching elements, [81] [82] though its special-purpose nature ...

  6. History of computing - Wikipedia

    en.wikipedia.org/wiki/History_of_computing

    In December 1939 John Atanasoff and Clifford Berry completed their experimental model to prove the concept of the Atanasoff–Berry computer (ABC) which began development in 1937. [40] This experimental model is binary, executed addition and subtraction in octal binary code and is the first binary digital electronic computing device.

  7. John Vincent Atanasoff - Wikipedia

    en.wikipedia.org/wiki/John_Vincent_Atanasoff

    With a grant of $650 received in September 1939 and the assistance of his graduate student Clifford Berry, the Atanasoff–Berry Computer (ABC) was prototyped by November of that year. According to Atanasoff, several operative principles of the ABC were conceived by him during the winter of 1938 after a drive to Rock Island, Illinois .

  8. 1939 in science - Wikipedia

    en.wikipedia.org/wiki/1939_in_science

    October – John V. Atanasoff with Clifford Berry demonstrate the first prototype Atanasoff–Berry Computer at Iowa State University. [ 9 ] Publication of Vannevar Bush 's article "Mechanization and the Record" proposing a proto-hypertext collective memory machine which he soon afterwards calls ' memex '.

  9. Timeline of computational physics - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_computational...

    Nuclear bomb and ballistics simulations at Los Alamos National Laboratory and Ballistic Research Laboratory (BRL), respectively. [1]Monte Carlo simulation (voted one of the top 10 algorithms of the 20th century by Jack Dongarra and Francis Sullivan in the 2000 issue of Computing in Science and Engineering) [2] is invented at Los Alamos National Laboratory by John von Neumann, Stanislaw Ulam ...