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The Kenbak-1, released in early 1971, is considered by the Computer History Museum to be the world's first personal computer. It was designed and invented by John Blankenbaker of Kenbak Corporation in 1970, and was first sold in early 1971.
However, these were not programmable and generally lacked the versatility and accuracy of modern digital computers. [34] The first modern analog computer was a tide-predicting machine, invented by Sir William Thomson (later to become Lord Kelvin) in 1872.
The ENIAC (Electronic Numerical Integrator And Computer) was the first electronic general-purpose computer, announced to the public in 1946. It was Turing-complete, [ 45 ] digital, and capable of being reprogrammed to solve a full range of computing problems.
First recorded use of this device was in 1889 in the Office of the Surgeon General of the Army. In 1896 Hollerith introduced improved model. [41] 1889 United States: Dorr Felt invented the first printing desk calculator. 1890 United States Sweden Russia: A multiplying calculator more compact than the Arithmometer entered mass production.
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 Computer History in time and space, Graphing Project, an attempt to build a graphical image of computer history, in particular operating systems. The Computer Revolution/Timeline at Wikibooks "File:Timeline.pdf - Engineering and Technology History Wiki" (PDF). ethw.org. 2012. Archived (PDF) from the original on 2017-10-31
Six Metrovick 950s were built, the first completed in 1956. They were successfully deployed within various departments of the company and were in use for about five years. [146] A second generation computer, the IBM 1401, captured about one third of the world market. IBM installed more than ten thousand 1401s between 1960 and 1964.
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 February 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 ...