The History of Computers By: Chandler Jones The History of Computers.
HISTORY OF COMPUTERS
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Transcript of HISTORY OF COMPUTERS
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SCARSDALE INTERNATIONAL SCHOOL
History of Computers4-Z
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COUNTING IN THE PAST
Long ago there were problems with calculating
so people had to count by their fingers but then
they thought about calculating by stones and
pebbles.
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ABACUS
The abacus was the first device to calculate it was
a mechanical device. About 5000 years ago it was
made by a Chinese.
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NAPIER'S BONE
It was called Napier's bone it was used to multiply
big or any kind o f numbers it was built by
mathematician John Napier.
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PASCALINE
It was called pascaline it looked like a shoe box but
from inside it looked like a piano a man named
Blaise Pascal. It was made for computing.
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ANALYTICAL MACHINE
The analytical machine was a machine that could
tell the answer of the big calculations a man named
Charles Babbage built it in 1835.
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TABULATING MACHINE
The tabulating machine was built so people could
find out the population of their country a man named
Herman Hollerith built it
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By: Hassan Irfan And
Abdullah Amir