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Charles Babbage invents a huge computer type machine.It was very big and maybe not so easy to use but it was considered the first computer.He created the first programmable computer.
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Sir Charles Romanseys invented the second type of computer in the 1950's.
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The digital equipment corporation invented the first mini computer.
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The TV Typewriter, designed by Don Lancaster, provided the first display of alphanumeric information on an ordinary television set.
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It developed a very loyal following and add-on components allowed it to be upgraded easily.
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Apple cofounder Steve Jobs, who left Apple to form his own company, unveiled the NeXT. The computer he created failed but was recognized as an important innovation.