Who invented Computer? For this question everyones answer should be Charles Babbage. Actually it is wrong. He only invented two machines for calculating that is Analytical engine and Difference engine. I also had the same doubt then I send my to Mr. Cornel Pokorny via email. He replied as follows: "The computer is not the invention of a single person. There were several people who invented mechanical computation devices, already in antique times. Babbage is just one of them in more recent times. The take-off came with the invention of vacuum tubes to function as computing circuits, then the invention of the transistor by several scientists. - Transistors become smaller all the time and then in conjunction with space travel efforts came the development of integrated circuits. Always different people. First fully transistorized...