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also called counting frame. Today, abaci are often constructed as a bamboo frame with beads sliding on wires. people who uses this is called abacist.
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is a piece of stiff paper that contained either commands for controlling automated machinery or data for data processing applications
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a mechanical digital computer which, viewed the benefits of a century and a halfs hindsight, and anticipated virtually every aspect of present day computers
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known as the Von Neumann model or the Princeton architecture, derives from a 1945 computer architecture by John von Neumann.
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high level programming language is a programming language with strong abstraction from the details of the computer.
