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  Konrad Zuse invented the first programmable computer, the Z1 computer. Important because it led to so many great inventions, including the computers that we have now.
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  The first electronic general purpose computer was invented. Able to do math problems that were harder than people could before, it was a wondrous machine.
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  One of the greatest inventions in the 20th century, the transistor controls signals and helps in the creation of computers.
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  The first programming language that was highly successful. It led the eventual creations of other languages, and it is still used in computers now.
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  A "chip" can be a small object that contains many circuits, allowing easier and smaller circuitry in a computer.
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  The first computer game was invented, leading to some of the modern games that we have now.
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  The original Internet was invented. It is the ancestor of the global network we have now.
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  The invention of the floppy disk, able to store data outside of the main computer, and transport it.
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  The invention of the first microprocessor. Important because it has a lot of important circuits on a very small part of the computer.
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  The new operating system, Microsoft Disk Operating System, was released. This led to Windows, which began the competition between Microsoft and Windows.