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1.1 Evolution of Computing Devices

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                   To understand how to represent numbers on an abacus, watch the video:
                   To see calculations using an abacus, watch the video:

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                   Electronic Numerical Integrator and Computer (ENIAC) was the first electronic programmable computer.
                   https://www.youtube.com/watch?v=Ds21S3fCfYM&ab_channel=ScienceWorld


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