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Charles Xavier Thomas mechanical calculator
kelly's work Charles Xavier Thomas de Colmar was a French inventor and entrepreneur best known for designing, patenting and manufacturing the first commercially successful mechanical calculator, the Arithmometer and for founding the insurance companies “Le Soleil” and “L’aigle” which, under his leadership, became the number one insurance group in France at the beginning of -
Chester Carlson's “Xerox Machine”
Muskaan's work “Chester Floyd Carlson (February 8, 1906 – September 19, 1968) was an American physicist, inventor, and patent attorney born in Seattle,Washington.He is best known for having invented the process of electrophotography, which produced a dry copy rather than a wet copy, as was produced by themimeograph process. Carlson's process was subsequently renamed xerography, a term that -
Transistors
Anavat's work The transistor is a semiconductor device that is used to switch electronic signals and power. It started to develop in the 1950’s and its still the building block for electronics today. A voltage or current will be applied to one of the transistor’s terminals. It’s main purpose in the computer is to amplifying the signal. -
Tim Berners-Lee
Sharon's work Tim Berners-Lee is British computer scientist. His full name is Timothy John Berners-Lee He is known as an inventor of World Wide Web(www.). He was born at 8 June 1955 in London, and now he is 58 years old. His famous invented, World Wide Web(or what we call the web) was developed between March 1989 to December 1990. While Tim Berners-Lee was invented the web, he’s worked at -
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THE INVENTION OF THE MOUSE!
Sami's workSami The mouse was invented by an American inventor named Douglas Engelbart. He worked with Bill English. They wanted a more efficient way to interact with the computer screen. They invented the first mouse in 1964. -
MS-DOS Computer Operating System
Fiat's work MS-DOS short for Microsoft Disk Operating System) is an operating system for personal computer It was the most commonly used member of the DOS family of operating systems, and was the main operating system for IBM PC compatitble personal computers during the 1980s to the mid-1990s, until it was gradually superseded by operating systems offering agraphical user interface (GUI) -
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Apple Lisa Computer
neena's work The Apple Lisa Computer or the Lisa was designed by Apple computer, Inc. in 19 January 1983. It was the first personal computer to allow users to interact with electronic devices through graphical icons. The development of the Lisa began in 1978. The Lisa was more advanced than the Macintosh. Steve Jobs joined the Macintosh project after being kicked out of the Lisa project.
