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2700 BC - Abacus was the first known calculator, was invented by ancient Mesopotamia.

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Made by John Napier in 1617,Technology that allows multiplication to be perform with addition

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Numerical Wheel  Calculator for calculating Taxes.
Created by Blaise Pascal

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1671 Gottfried Von Leibniz - Improve the Pascaline by creating machine that could also multiply

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CHARLES BABBAGE
English mathematician and inventor Charles Babbage is credited with having conceived the first automatic digital computer. During the mid-1830s Babbage developed plans for the Analytical Engine.

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Refugio  analytical engine by lady Ada Byron

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Refugio  analytical engine by lady Ada Byron

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Work with Charles Babbage, First Computer Programmer

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Herman Hollerith invented and developed a punch-card tabulation machine system  that revolutionized statistical computation And  Applied the Jacquard Loom concept to computing

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Laurio, Michelle Antonette

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Allan Turing develops a concept of theoretical computing machine is a mathematical model of computation that defines an absract machine manipulate symbols on a strip of tape according to a table of rules

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The IBM Personal Computer is the first computer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers directed by Don Estridge in Boca Raton, Florida.

Santos, Jhouvic N.

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Alexander Graham Bell Invented the Photophone. You may know that a telephone uses electricity to send voice communications.

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Alexander Graham Bell Invented the Photophone. You may know that a telephone uses electricity to send voice communications.

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Mark John

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1895 radio signals invented by guglielmo marconi  developed, demonstrated and marketed the first successful long-distance wireless telegraph.

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Biago, Beverly B.

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John Atanasoff &CliffordBerry_Invented an electronic digital computer featuring the firstknown use of vacuum tubes for computation  1942 ROMERO.

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John Atanasoff &CliffordBerry_Invented an electronic digital computer featuring the firstknown use of vacuum tubes for computation  1942 ROMERO.

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In 1975 Bill Gates and Paul G. Allen, two boyhood friends from Seattle, converted BASIC, a popular mainframe computer programming language, for use on an early personal computer (PC), the Altair. Shortly afterward, Gates and Allen founded Microsoft, deriving the name from the words microcomputer and software

Ignacio, Mark Haerold V