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Mar 6, 1000
Abacus
Invented by Egyptians and modified by Chinese, can only add and subtract -
Blaise Pascal
He was a mathematics genius, invented first calculator, Pasculine Calculator, but it only adds and subtracts. -
Pascal Calculator
It is the first calculator in the world, but it can only add and subtract. -
Gottfried Wilhelm Leibniz
He was a philosopher, Historian, Scientist, made better calculator than Pascal’s. -
Gottfried's Calculating Machine
Better calculator than Pascal’s -
Charles Babbage
He was a Inventor, and mathematician
He made difference machine, known as the grandfather of computer. -
Augusta Ada Lovelace
She was a splendid Mathematican
and also the world’s first programmer -
Difffernce Machine
It was the first machine that can think and make hard copies. -
Herman Hollerith
He was an engineer and Scientist.He made ticket counting machine, started IBM -
Vacuum Tube
This circuit board block is one of hundreds of blocks that held 4,000 vacuum for IBM’s Model 701, it’s first computer circuit. -
Tommy Flowers
He was an engineer
He designed Colossus, the first programmable computer -
Alan M. Turing
He was a mathematican, Philospher, Codebreker. He created system for decoding -
Andrew Kay
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Seymour Cray
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Nolan Bushnell
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Lee Felsenstein
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Steve Woznlak
He is an engineer, programmer
He also co-founded Apple in mid-70 -
Mouse
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Steve Jobs
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Tim Berners Lee
He is a physicist, professor and computer scientist
He is also the inventor and president of World Wide Web -
Bill Gates
He is a nerd
He started Microsoft on 1975 -
Transistor
2nd generation Computer curcuit. -
Integrated Circuit
Many transistors combined together into very small space -
Key board
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Microprocessor
4th generation computer circuit. -
Laptop
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Microsoft Office
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Wi-Fi
