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Wilhelm Schickard created the first mechanic calculator calling it the "Calculating Clock" to make multiplying by large numbers easier.
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Blaise Pascal invents an adding machine which he calls the Pascaline. It could perform addition and subtraction, but it was too expensive to be practical and only Pascal could keep it working
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Joseph-Marie Jacquard invents an automated loom which uses punched cards to reproduce complex patterns.
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George Boole develops Boolean Logic which will one day become the basis for computer logic.
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Alexander Graham Bell invents the telephone
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Teletypewriters and teleprinters come into limited use in Britain, Germany and the US
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IBM introduces the electric typewriter
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The first laptop was invented by Adam Osbourne. It was called 'Osborne 1' and cost $1,795. It came bundled with $1,500 worth of programmes. It had a tiny computer screen built into it.
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Android is a Linux-based operating system for mobile devices such as smartphones and tablet computers.
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The iPad is primarily used as a platform for audio-visual media including books, periodicals, movies, music, games, apps and web content. Its size and weight fall between those of contemporary smartphones and laptop computers.
