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COMPUTER HISTORY® By: Jake M. Mauleon
33

Computer history®

Aug 13, 2015

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Jake Mauleon
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Page 1: Computer history®

COMPUTER HISTORY®

By: Jake M. Mauleon

Page 2: Computer history®

ABACUS

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•500 BC the Abacus or the suan pan was the first mechanical computing device which are used by the Chinese.

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•The Abacus was used as an ancient calculator. It helped businesses to perform mathematical calculations without using pen and paper

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•Made up of rods of sliding beads mounted on a frame.•Considered as the first computer.

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Napier’s Bones

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•1550 – The Napier’s Bones was developed by John Napier. •John Napier – known as the discoverer of logarithms.

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Slide Rule

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•1600 also known as slipstick•Invented by William Oughtred.

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•It is used primarily for multiplication and division, and also for scientific functions.

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PASCALINE

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•1642•Invented by Blaise Pascal•Also called as numerical wheel calculator

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•Could add, subtract and handle numbers up to 999,999.999

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LEIBNIZ CALCULATOR

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•1673 • (also called as the Step Reckoner)•Gottfried Wilhelm Leibniz•Addition, subtraction, multiplication, and division

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JACQUARD’S LOOM

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•1804 •Joseph Marie Jacquard•Simplifies the process of manufacturing textile fabrics

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ARITHMOMETER

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•1820•Charles Xavier Thomas de Colmar•A machine capable of performing the four basic math operations

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in a simple and reliable way.•First digital mechanical calculator

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DIFFERENCE ENGINE

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•1822•Invented by Charles Babbage•British Mathematician/inventor

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•Can perform calculations and print results.•Babbage spent ten years working on the difference engine,

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•But in the end, he was forced to abandon it because of lack of funds.

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ANALYTICAL ENGINE

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•1833•Invented by Charles Babbage/ •Lady Ada Augusta Byron•Known as the first lady computer programmer

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•Can solve Mathematical Problems and Store information

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•1884• Invented by Herman Hollerith •the machine was developed to help process data for the U.S. Census

TABULATING MACHINE

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