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Period: 500 to Nov 13, 1000
Abacus
Name: Abacus
Year: 1000 AD to 500BC
Info: The abacus was invented by Egyptians and modified by the Chinese, used to add and subtract by hand. -
Pascaline Caculator
Name : Pascaline Caculator
Year : 1623
Info : Mechanical caculator-Wilhelm Schickard made -
Period: to
Blaise Pascal
Name : Blaise Pascal
Year : 1623 - 1662
Place : France
Job : Mathematics genius
Info : Invented the first caculating machine. -
Period: to
Gottfried Wilhelm Leibniz
Name : 1646 - 1716
Place : Germany
Job : Philosopher, historian and scientist
Info : Developed the calculaion. -
Step Reckoner
Name : Step Reckoner
Year : 1673
Info : -
Period: to
Charles Babbage
Name : Charles Babbage
Year : 1791 - 1871
Place : London, England
Job : Invetor and mathematician
Info : Grandfather of computing -
Period: to
Augusta Ada Lovelace
Name : Augusta Ada Lovelace
Year : 1815 - 1852
Place : London, England
Job : A splendid mathematician
Info : Understand Babbage's vision -
Analytical Engine
Name : Analytical Engine
Year : 1833
Info : Charles babbage begins Analytical Engine
Never completed -
Period: to
Herman Hollerith
Name : Herman Hollerith
Year : 1860 - 1929
Place : USA
Job : Engineer and scientist
Info : Didn't get idea from the work of Babbage -
Period: to
Tommy Flowers
Name : Tommy Flowers
Year : 1905 - 1998
Place : England
Job : Engineer
Info : Tommy designed Colossus, the worlds first programmable electronic computer, to help solve encrypted German messages -
Period: to
Alan M. Turing
Name : Alan M. Turing
Year : 1912 - 1954
Place : England
Info : Helps the british decode secret German messages and predict missile targets. -
vacuum tube technology
name : vacuum tube technology
year : 1940
Info: A vacuum tube also called a electron tubes is a sealed glass or metal-ceramic enclosure used in electronic circuitry to control the flow of electrons between the metal electrodes sealed inside the tubes. The air inside the tubes is removed by a vacuum. Vacuum tubes are used for: amplification of a weak current, rectification of an alternating current to direct current, generation of oscillating radio-frequency power for radio and radar, and more. -
Steve Wozniak
Name: Steve Wozniak
Year: Aug 11 1950
Place: USA
Job: Engineer and programmer
Info: With his friend Steve Jobs, he co-founded Apple computers in the mid-70s. -
Period: to
Transistor
name ; Transistor
year ; Late 1950's to early 1960's
info : A tracsistor is a semiconductor device used to amplify and switch electronic signals and electrical power. -
Tim burners Lee
Name: Tim burners Lee
Year: 8th June 1955
Place: England
Job: Physicist, professor and computer Scientist
Info: TBL is the inventor of the www (http) and is he president of www foundation -
Bill Gates
Name: Bill Gates
Year: Oct 28 1955
Place: USA
Job: Nerd
Info: With his friend, Steve Balmer, Bell started up Microsoft in 1975. -
intergrated circuit
Name: Integrated circuit
Year: invented in 1959, used in IBM 360 in 1964
Info: An integrated circuit or monolithic integrated circuit is an electronic circuit manufactured by lithography, or the patterned diffusion of trace elements into the surface of a thin substrate of semiconductor material. -
IBM simon
name: IBM simon
year : August 16, 1994 -
mincroprocessor
Name: microprocessor
Year: 1975
Info: A microprocessor incorporates the functions of a computer's central processing unit on a single integrated circuit,[1] or at most a few integrated circuits.[2] It is a multipurpose, programmable device that accepts digital data as input, processes it according to instructions atored in its memory, and provides results as output. -
mainframe & maincomputer
Name: IBM Personal Computer
Year: 1981
Info: The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform. It is IBM model number 5150, and was introduced on August 12, 1981. It was created by a team of engineers and designers under the direction of Don Estridge of the IBM Entry Systems Division in Boca Raton, Florida.
