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This is one of the first developed mechanical computers made by Charles Babbage. But, the first engine wasn't completed until 2002, 153 years later.
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Made by John Logie Baird. It was used as a scanning device to scan a disc with holes in it or a glass mirror that rotates. Once scanned it would generate a video signal and a similar device would display the picture.
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Invented and patented by Douglas Engelbart. It was called the mouse because tail or chord stuck out at the end.
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Created by Andries van Dam and Ted Nelson. Hypertext means a software system that links topics on the screen to related information and graphics, which are typically accessed by a point-and-click method.
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Created by Ray Tomlinson. It was a method of transferring messages to others more conveniently.
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Invented by James Fergason. This has lead to the creation of LCD TV's and was a major invention that is till used today.