![]() Atanasoff and graduate student Clifford Berry. Of the Engine and notes by Ada Byron King, Countess of Lovelace.īerry Computer - built at Iowa State by Prof. Later that another all purpose computer was conceived. ![]() Babbage's description, in 1837, of the Analytical Engine,Ī hand cranked, mechanical digital computer anticipated virtually everyĪspect of present-day computers. Programmed with punched cards invented by Joseph Marie JacquardĮngine, Analytical Engine - Charles Babbage and Ada The Pascal computer programming language was named. With similar logarithmic scales (Picture from the TheĬalculator built by Blaise Pascal, a 17th century mathematician, for whom ![]() Its simple form of a ruler and a movable middle piece which are graduated Rule - a manual device used for calculation that consists in Or in grooves (graphic: Merriam Webster Collegiate Dictionary ) an instrument for performing calculations by sliding counters along rods Now we exchange text, sound, photos and movies in a digital Tube to the transistor, to the microchip. The modern machine definition is based on von Neumann's concepts:ĭevice that accepts input, processes data, stores data, and produces output. Before 1935, a computer was a person who performed arithmetic calculations.īetween 19 the definition referred to a machine, rather thanĪ person.
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