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This is an accepted version of this page This is the latest accepted revision, reviewed on 3 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 ...
He created the first commercially available portable computer, the Osborne 1, released in April 1981. It weighed 24.5 pounds (12 kg), cost US$1795—just over half the cost of a computer from other manufacturers with comparable features—and ran the popular CP/M 2.2 operating system. [7] It was designed to fit under an airline seat. [8]
Ivan Edward Sutherland (born May 16, 1938) [6] is an American computer scientist and Internet pioneer, widely regarded as a pioneer of computer graphics. [7] His early work in computer graphics as well as his teaching with David C. Evans in that subject at the University of Utah in the 1970s was pioneering in the field.
Sketchpad ran on the MIT Lincoln Laboratory TX-2 (1958) computer at the Massachusetts Institute of Technology (MIT), which had 64k of 36-bit words.The user drew on the computer monitor screen with the recently invented light pen, which relayed information on its position by computing at what time the light from the scanning cathode-ray tube screen is detected.
And Dennis became an evangelist. Then there was a rewrite in a higher-level language that would come to be called C. He worked mostly on the language and on the I/O system, and I worked on all the rest of the operating system. That was for the PDP-11, which was serendipitous, because that was the computer that took over the academic community.
Dennis MacAlistair Ritchie (September 9, 1941 – c. October 12, 2011) was an American computer scientist. [3] He created the C programming language and the Unix operating system and B language with long-time colleague Ken Thompson. [3]
Projects created and remixed with Scratch are licensed under the Creative Commons Attribution-Share Alike License. [54] Scratch automatically gives credit to the user who created the original project and program in the top part of the project page. [21] Scratch was developed based on ongoing interaction with youth and staff at Computer Clubhouses.
Led the team that created FORTRAN (Formula Translation), the first practical high-level programming language, and formulated the Backus–Naur form that described the formal language syntax. 850~ Banū Mūsā: Three brothers who wrote the Book of Ingenious Devices, describing what appears to be the first programmable machine, an automatic flute ...