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ENIAC (/ ˈ ɛ n i æ k /; Electronic Numerical Integrator and Computer) [1] [2] was the first programmable, electronic, general-purpose digital computer, completed in 1945. [ 3 ] [ 4 ] Other computers had some of these features, but ENIAC was the first to have them all.
The analytical engine was a proposed digital mechanical general-purpose computer designed by English mathematician and computer pioneer Charles Babbage. [2] [3] It was first described in 1837 as the successor to Babbage's Difference Engine, which was a design for a simpler mechanical calculator. [4]
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 March 2025. English mathematician, philosopher, and engineer (1791–1871) "Babbage" redirects here. For other uses, see Babbage (disambiguation). Charles Babbage KH FRS Babbage in 1860 Born (1791-12-26) 26 December 1791 London, England Died 18 October 1871 (1871-10-18) (aged 79) Marylebone, London ...
This is considered to be the first example of a true computer program, a series of instructions that act upon data not known in full until the program is run. Following Babbage, although unaware of his earlier work, Percy Ludgate [14] [15] in 1909 published the 2nd of the only two designs for mechanical analytical engines in history. [16]
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Plankalkül (year of conceptualization) Konrad Zuse: none (unique language) 1943–46 ENIAC coding system : John von Neumann, John Mauchly, J. Presper Eckert and Herman Goldstine after Alan Turing. The first programmers of ENIAC were Kay McNulty, Betty Jennings, Betty Snyder, Marlyn Meltzer, Fran Bilas, and Ruth Lichterman. none (unique ...
Charles Babbage's Difference Engine No. 2 – Technical Description. Science Museum Papers in the History of Technology No 5. London: National Museum of Science and Industry; Swade, Doron (2002). The Difference Engine: Charles Babbage and the Quest to Build the First Computer. Penguin (reprint). ISBN 978-0-14-200144-8.
Built the first electronic digital computer, the Atanasoff–Berry Computer, though it was neither programmable nor Turing-complete. 1822, 1837 Babbage, Charles: Originated the concept of a programmable general-purpose computer; designed the Analytical Engine and built a prototype for a less powerful mechanical calculator. 1973 Bachman, Charles