What is Abacus? | Definition, Uses & Examples - Video & Lesson Transcript | Study.com
42 Wolfsburg - 💡Did you know: The first world computer looked like this. Known as an abacus, it emerged from a need to keep track of goods being bought and sold among
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End Show History of Computers Ancient Times In the beginning, man used his fingers and toes to perform simple computations such as addition and subtraction. - ppt download
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