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  This is a huge technilogical advance. Having a freely programmable computer revolutionized computers.
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  Howard Aiken & Grace Hopper invented a computer that was The Automatic Sequence Controlled Calculator (Harvard Mark I) was the first operating machine that could execute long computations automatically.
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  No, a transistor is not a computer, but this invention greatly affected the history of computers.
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  This computer could tally the votes, and pick the president based on the votes.
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  Software Makes a Computer Ticks. It is really revolutionary, and neat. At the time it was a huge deal.
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  THE FIRST MOUSE CAME OUT. Nicknamed the mouse because the tail came out the end.
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  This is the original internet. Not capable of doing lots of the things we can do today, but can do some of the basics. Like find a webpage that is made.
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  The first microprocessor.
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  Word Processors.
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  From an "Acorn" grows a personal computer revolution