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Jan 1, 1000
BC~500BC Abacus
The abacus was invented by Egyptians and modified by the Chinese, used to add and subtract by hand. -
Period: to
Blaise Pascal
Place: France
Job: Mathematic Genius
Info: Blaise pascal invented the first calculating machine, the Pascaline. It performs addition and subtraction only. -
Pascaline
Blaise Pascal while only 18 years old invented a device called Pascaline to help his father who worked as a tax collecter do his job. -
Period: to
Gottfried Wilhelm Leibniz
Place: Germany
Job: Philosopher, historian and scientist -
Step Reckoner
Step Reckoner was invented by Gottfried Wilhelm Leibniz. It can add, subtract, multiply and divide. -
Period: to
Charles Babbage
Place: London, England
Job: Inventor and mathematician
Charles Babbage beggins working on his machine called Difference Engine, a calculating machine that performs mathematical functions to six decimal. -
Period: to
Elisha Graves Otis
Place: New york
He invented the first elevator in the world. -
Period: to
Augusta Ada Lovelace
Place: London, England
Job: A splendid mathematician.
Ada is now credited as being the first computer programmer and, in 1979, a modern programming language was named ADA in her honor. -
Difference Engine
Difference Engine was invented by Charles Babbage. The engine had five parts, they are the mill, the store, an input device, a control section and a printer. -
Period: to
Herman Hollerith
Place: U.S.A
Job: A splendid mathematician
He did not get the idea from the work of Babbage, but rather from watching a train conducter punching tickets. -
NIntendo
Fusajiro Yamauchi invented the nintendo in Japan. The word nintendo means leave luck in heaven. -
Period: to
Tommy Flowers
Place: England
Job: Engineer
Tommy designed Colosses, the world's first programmable electronic computer, to help solve encrypted German messages. -
Period: to
Alan M. Turning
Place: England \
Job: Mathematician, philosopher and codebreaker
He helps the British decode secret German messages and predict missile targets. -
Electrophotography
Chester Carlson invented a dry printing process called electrophotography commonly called a Xerox, the foundation technology for laser printers to come. -
Vacuum Tube
This circuit board block is one of hundreds of blocks that held the 4000 Vacuun tubes for IBM'S Model 701, it's first computer intended for scientific work. -
Transistors
A transistor has 3 leads (legs) they are the collector, base and emitter. -
Period: to
Steve Wozniak
Place: England
Job: Engineer and programmer
With his friend Steve Jobs, he co-founded Apple computers in the mid 70s. -
Period: to
Bill Gates
Place: U,S.A
Job: Nerd
With his friend Steve Balmer, Bill started up Microsoft in 1975. -
Period: to
Tim Berner Lee
Place: England
Job: Physicist, professor and computer scientist
Tim Berner Lee was the inventor of the www(http) and is the president of the www foundation -
Intergrated Circuit
Many transistors combined together into a very small space, forming an integrated circuit. -
Microprocessor
Microprocessor is the brain of the computer. The microprocessor is the device that executes commands entered into the computer. -
The very first cellphone
Martin Cooper placed the very first cell phon -
IBM Personal Computer
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 -
NIntendo Wii
The nintendo was invented in 2000, but the public didn't get a taste of the concept until mid 2004.
