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_About 3000 BC, the scholars believe that
the abacus was inverted in Babylonian and
is known as the world's oldest computing device .

_In the 1300's the Chinese began using a wooden
frame with rows of beads strung on wire .

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By kyawt kyawt khaing. shun lai khaing

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Oughtrad´s Slide Rule

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A French weaver used punched cards to determine threads to be selected in weaving pattern automatically

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20 divices
Babbage's
Computer can be  use  faster than other thing.
It  can be work 24 hours.It contain 4000 parts
and weigh 3 tons.It is very complex. Computer
can be relax for human beings. We can not be seen Babbage's computer.

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Babbage's Difference. Engine and the Analytical Engine

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Babbage's Difference. Engine and the Analytical Engine

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Babbage's Difference Engine and the Analytical Engine

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Babbage's Difference Engine and the Analytical Engine

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six device

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Pascal calculator

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Pascal's

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How many devices in Early Calculating Devices? Discuss about each device

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How many devices in Early Calculating Devices? Discuss about each device

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pascal's
faster calculate, faster function contain gear wheelsand then good many paper faster print
dials,segment,