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1910, first one could solve multiples of problems
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1945, THe computer had that held data and program proccesing. Dr john Mauchly.
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1946, first general purpose computer
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April 1946 Universal Automic Computer was achieved by DR. Presper Eckret.
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1954, A programming with strong abstraction from the details of the computer.
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1969, multitasking, multi-user, computer operating system.