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The abacus was invented 500 BCE in Babylon. The abacus was only made of string and beads. It’s only function was the same as a simple calculator.
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The pascaline is invented by Pascal, it was used to help his father to do the taxes. It could add and subtract with a single rotation.
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This device was invented by a German mathematician, Gottfried Wilhelm von Leibnitz. The stepped reckoner was a digital mechanical computer, which was finished in 1694. It was way ahead of its time, and could multiply and divide as well as add and subtract
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The first telegraph is built.
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The difference engines were machines invented by Charles Babbage, said to be the father of computers. He invented the difference engine # 1 in 1821. It's function was to calculate polynomial functions.
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This was a machine constructed to sketch and predict the tides. This was one of the first machines to make mechanical calculations and print out results on paper.
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This was the first fully electronic computer, mostly because it used the binary code.
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Made by Harvard’s Physics professor, Howard Aiken. This machine weighed 35 tons and had 500 miles of writing. It stands for Automatic Sequenced Controlled Calculator.
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This was the first digital electronic computer that was fully programmable, unlike the ABC.
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ENIAC stands for Electronic Numerical Integrator And Computer. It was an idea stolen by ABC. It is credited for being the first digital computer, because Colossus was done in secret.
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http://en.wikipedia.org/wiki/ARPANETARPANET stands for Advanced Research Projects Agency Network, which is a US government funded project in global communication.
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This is invented by Ray Tomilinson. He uses @ to distinguish between sender's name and network name in the e-mail address.
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Microsoft introduced an operating environment named Windows on November 20, 1985 as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs).
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Tim Benners-Lee develops a new technique for distributing information on the internet, World Wide Web.
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Youtube.com is launched
