Computer Timeline By Dorothy Seo Jan 1, 1000 Abacus- It can only add and sub. Invented by Egyptians or Chinese. ( Not sure ) Jan 1, 1632 Blaise Pascal invented a calculating machine Jan 1, 1642 Pascaline- It is the calculator that could add and sub. Jan 1, 1646 Gottfried Wilhelm Leibniz made a calculator that could add subtract multiply divide Jan 1, 1671 Leibniz- It is a calculator that Leibniz made Jan 1, 1792 Charles Babbage is called the grandfather of computing. The machine he made could store information. Jan 1, 1815 Augusta Ada Lovelace is the World First Programmer Feb 29, 1860 Herman Hollerith made IBM which stands for The International Business Machine Corporation machine that can calculate tickets. Jan 1, 1868 First typewriter Jan 1, 1871 Difference Engine that Charles Babbage made Dec 22, 1905 Tommy Flower Made Colossus which helped them translate messeges. Jan 1, 1912 Alan M. Turing is the Founder of Computer Science, Mathematician, Philosopher, and Codebreaker. Jan 1, 1940 Vacuum Tube 1st generation Jan 1, 1947 Carl Manneh Cathode Ray Tube Amusement Device - first video game ever Jan 1, 1950 Transistors 2nd generation Aug 11, 1950 Steve Wozniak is Steve Jobs co-founded Apple Computer in mid 70s. Aug 8, 1955 Tim Berners Lee is the Inventor of WWW. President of WWW foundation. Oct 28, 1955 Bill Gates Made Microsoft with his friends Jan 1, 1960 Integrated Circuit got smaller. It is about the size of a thumb. Sep 10, 1963 Twitter- Dick Costolo Jan 1, 1971 qwertyuiop- first email sent on 1971 Mar 26, 1973 Google- Larry Page Aug 3, 1977 Minecraft- Carl Manneh Jan 1, 1978 first online social networking- BBS (bulletin board system) Jan 1, 1992 First touchphone Jan 1, 2013 Flappy Bird- Dong Nguyen Jan 1, 2014 Microprocessors are very small!! May 14, 2014 Facebook- Mark Zuckerburg