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These were pieces of paper that contained digital information that computers could access. They are not used today.
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The Analytical Engine was the first mechanical computing device. It was the first design for a general-purpose computer that could be described as “turning-complete.”
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It is a basic computer architecture that is still in use today. It gives a design for a digital computer that uses a lot of the hardware we use today.
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ENIAC was the first electronic computer which was ever built.
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It was the United States’ first commercially available computer that anyone could buy.
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This has a higher level of abstraction from machine language. It focuses on “usability” over efficiency.
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It was an early operating system developed at AT&T Bell Labs.
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The letters PC stand for Personal Computer. The first personal computer was called the Kenbak-1.
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It was a microcomputer that sold thousands of models in the first few months.
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The Cray-1 was a supercomputer installed at Los Alamos National Labs. It was a supercomputer that is now one of the best known and most successful.
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Apple is a company that makes computers and their own operating system. They are Windows main competitors.
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Visicalc was the first electronic spreadsheet. It was used on a microcomputer.
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The Macintosh is a personal computer developed by Apple.
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Windows is an operating system created by Microsoft which is used on most PC’s today.
