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Not very often, I think. It's an ancient astronomical calculating device, invented long before computers.
Abacus was the first calculating device invented by the Chinese.
Computers are built the same way any other electronic device is built, at the time it was built. As the methods of building electronic devices changed over time, the methods of building computers changed too.
A simple machine is a type of machine that changes forces in some way, by amplifying them, and/or changing their direction. The lever, the pulley, the wheel and axle are all simple machines. But there are complex machines as well, which do far more things. Our computers are also machines.
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In China in 1960
the ABACUS. it is also known as the 1st calculating device created by the Chinese. it is also known as the 1st computer.
Modern days Computers are more developed form of Calculators. Earlier Calculators were devised for fast Mathematical Calculations.Calculators are devices designed to perform Simple & Scientific calculations whereas Computer (Computing Device) are designed to perform variety of Tasks with high speeds.
No. The earliest known device using computer technology was the Hewlett-Packard 200A Audio Oscillatorio Oscillator, developed in 1939. There were calculator machines...
They were big.
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