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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.
It was designed and invented by John Blankenbaker of Kenbak Corporation in 1970, and was first sold in early 1971. Unlike a modern personal computer, the Kenbak-1 was built of small-scale integrated circuits, and did not use a microprocessor. The system first sold for US$750. Only 44 machines were ever sold, though it's said 50 to 52 were built.
Colossus is thus regarded [2] as the world's first programmable, electronic, digital computer, although it was programmed by switches and plugs and not by a stored program. [ 3 ] Colossus was designed by General Post Office (GPO) research telephone engineer Tommy Flowers [ 1 ] based on plans developed by mathematician Max Newman at the ...
The first self-contained general-purpose desktop computer to ship with the Intel 8080 microprocessor in April 1974 (as a pre-production unit) and one of the first commercially available computers with the 8080 in June 1974 (first production units shipped August 1974). Also included a built-in printer and early multi-line flat-panel plasma display.
The first digital electronic computer was developed in the period April 1936 - June 1939, in the IBM Patent Department, Endicott, New York by Arthur Halsey Dickinson. [35] [36] [37] In this computer IBM introduced, a calculating device with a keyboard, processor and electronic output (display). The competitor to IBM was the digital electronic ...
The Ferranti Mark 1, also known as the Manchester Electronic Computer in its sales literature, [1] and thus sometimes called the Manchester Ferranti, was produced by British electrical engineering firm Ferranti Ltd. It was the world's first commercially available electronic general-purpose stored program digital computer. [a]
Thirty-five years ago, users heard the infamous dial-up sound for the first time. The '80s were a decade defined by major technological innovations, big hair, cult-classic movies and the start of ...
The machine was fairly representative of first-generation valve-driven computer designs.It used mercury acoustic delay lines as its primary data storage, with a typical capacity of 768 20-bit words, supplemented by a parallel disk-type device with a total 4096-word capacity and an access time of 10 milliseconds.