ENIAC

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ENIAC (/ˈɛniæk/; Electronic Numerical Integrator and Computer)[1][2] was the first electronic general-purpose digital computer.[3] It was Turing-complete, and able to solve "a large class of numerical problems" through reprogramming.[4][5]

Although ENIAC was designed and primarily used to calculate artillery firing tables for the United States Army's Ballistic Research Laboratory (which later became a part of the Army Research Laboratory),[6][7] its first program was a study of the feasibility of the thermonuclear weapon.[8][9]

ENIAC was completed in 1945 and first put to work for practical purposes on December 10, 1945.[10]

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ENIAC