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John Ambrose Fleming created the vacuum tubes which is an electronic device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied.
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Konrad Zuse invented the first programmable computer which is a general-purpose electronic digital computer and it was built around World War II.
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Alan Turing invented the first automatic computing engines which was an electronic serial stored-program computer
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John Vincent Atanasoff invented the first electronic digital computer which was able to solve a large class of numerical problems unlike before.
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William Shockley, Walter Houser Brattain, and John Bardeen invented the transistors which is a semiconductor device used to amplify or switch electronic signals and electrical power.
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John McCarthy invented artificial intelligence, or AI, is intelligence which is demonstrated by machines, or in this case, computers instead of human intelligence input.
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Jack Kilby, Robert Noyce, and Masatoshi Shima invented the integrated circuits which are a set of electronic circuits on one small flat piece of semiconductor material that is normally silicon.
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Douglas Engelbart and Rene Somme invented the mouse which is a hand-held pointing device that detects two-dimensional motion relative to a surface for a computer,
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Masatoshi Shima, Marcian Hoff, Federico Faggin, Stanley Mazor invented microprocessors which are computer processors that incorporate the functions of a central processing unit on a single integrated circuit.
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Tim Berners-Lee and Robert Cailliau invented the World Wide Web is an information system where documents and other web resources are identified by Uniform Resource Locators, which may be interlinked by hypertext, and are accessible over the Internet.
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Steve Jobs and his team invented the iPhone which is a smartphone made by Apple that combines a computer, iPod, digital camera and cellular phone into one device with a touchscreen interface.
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Steve Jobs and his team at Apple created a newer version of the previous Iphone. The reason why I think this is the most helpful tool invented is because you can talk to people anywhere, access the Internet, and basically do anything, and it is small so you can carry it everywhere.
