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Jan 1, 1000
Abacus- It can only add and sub. Invented by Egyptians or Chinese. ( Not sure )
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Blaise Pascal invented a calculating machine
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Pascaline- It is the calculator that could add and sub.
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Gottfried Wilhelm Leibniz made a calculator that could add subtract multiply divide
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Leibniz- It is a calculator that Leibniz made
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Charles Babbage is called the grandfather of computing. The machine he made could store information.
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Augusta Ada Lovelace is the World First Programmer
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Herman Hollerith made IBM which stands for The International Business Machine Corporation machine that can calculate tickets.
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First typewriter
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Difference Engine that Charles Babbage made
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Tommy Flower Made Colossus which helped them translate messeges.
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Alan M. Turing is the Founder of Computer Science, Mathematician, Philosopher, and Codebreaker.
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Vacuum Tube 1st generation
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Carl Manneh Cathode Ray Tube Amusement Device - first video game ever
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Transistors 2nd generation
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Steve Wozniak is Steve Jobs co-founded Apple Computer in mid 70s.
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Tim Berners Lee is the Inventor of WWW. President of WWW foundation.
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Bill Gates Made Microsoft with his friends
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Integrated Circuit got smaller. It is about the size of a thumb.
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Twitter- Dick Costolo
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qwertyuiop- first email sent on 1971
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Google- Larry Page
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Minecraft- Carl Manneh
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first online social networking- BBS (bulletin board system)
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First touchphone
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Flappy Bird- Dong Nguyen
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Microprocessors are very small!!
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Facebook- Mark Zuckerburg
