1. Pleasant Valley Middle School Information Processing © 2012

2. Overview

3. 8,500 BC Scientists find an early form of computers: a bone carved with prime numbers. 1000 BC and 500 BC The abacus was the next computing device that consisted of a series of moveable beads or rocks.

4. 1642 Blaise Pascal invented the adding machine, France. Before we had calculators we had slide rules. In 1632, the circular and rectangular sliderule was invented by W. Oughtred 1632

5. 1822 Charles Babbage, a mathematician, proposed the construction of a machine that he called the Babbage Difference Machine. 1835 Charles Babbage creates the Babbage Analytical Engine.

6. 1943 COLOSSUS – the first programmable computer created by Alan Turing, England.

7. 1946 ENIAC – first electronic computer, USA. John Mauchly and John Presper Eckert developed the ENIAC I (Electrical Numerical Integrator And Calculator). The American military sponsored their research; the army needed a computer for calculating artillery-firing tables, the settings used for different weapons under varied conditions for target accuracy.

8. 1951 UNIVAC – first commercial computer. The U. S. government were the first to use the UNIVAC. The second was Prudential Insurance UNIVAC – first commercial computer. The U. S. government were the first to use the UNIVAC. The second was Prudential Insurance 1961 First interactive computer game created. First interactive computer game created. The game was called Spacewar – it was the basis for all the "intergalactic shoot'em up" games to this day.

9. 1966 First handheld pocket calculator was invented by Texas Instruments, Inc. First handheld pocket calculator was invented by Texas Instruments, Inc. Results of the calculations appeared on paper tape, and not on a screen. Results of the calculations appeared on paper tape, and not on a screen.

10. 1969 1969 ARPANET was the first wide area packet switching network, the "Eve" network of what has evolved into the Internet we know and love today. It connected four universities.

11. 1971 E-mail was invented by Ray Tomlinson. Ray Tomlinson. Intel creates the first microprocessor.

12. 1975 Microsoft is formed. 1976 Apple Computers is founded.

13. 5.25” floppy disks first used. 1978

14. 1981 First personal computer sold. Personal computer…. “Man of the Year” 1982 The IBM PC was introduced in 1981. It was perhaps the first to wear the "PC" label, but that was IBM's only innovation. They sure sold a bunch of them, though.

15. 1982 CD’s and players introduced in Japan TCP/IP, Internet language is developed.

16. 1985 Symbolics.com is the first registered domain name. 3.5” disk becomes standard in all PCs. 1987

17. 1988 – The first computer virus. 1991 – The World Wide Web is released.

18. 1993 – First graphics- based Web browser 1994 – First online pizza order. 1995 – Dial-up service offered for home use.

19. 1995 – Toy Story …100% computer animated movie Toy Story Toy Story

20. 1998 – Audience judges ice skating on-line 1999 – Online banking becomes available.

21. 1999 - History of Napster 1999 - History of Napster

22. 2003 The history of Myspace isn’t a long one, since the Web site has only been around for a few years. The history of Myspace isn’t a long one, since the Web site has only been around for a few years. Myspace.com is a social networking site, intended to bring various users together for personal and professional interaction. Myspace.com is a social networking site, intended to bring various users together for personal and professional interaction. It began in 2003 and has since grown to become one of the most popular Web sites in the world. It began in 2003 and has since grown to become one of the most popular Web sites in the world. It currently boasts over 80 million users and is only gaining in its momentum. It currently boasts over 80 million users and is only gaining in its momentum. Tom Anderson is the founder of Myspace. Tom Anderson is the founder of Myspace.

23. 2004 In February 2004 Mark Zuckerberg launched In February 2004 Mark Zuckerberg launched "The facebook" The name taken from the sheets of paper distributed to freshmen, profiling students and staff. The name taken from the sheets of paper distributed to freshmen, profiling students and staff. Within 24 hours, 1,200 Harvard students had signed up Within 24 hours, 1,200 Harvard students had signed up After one month, over half of the undergraduate population had a profile. After one month, over half of the undergraduate population had a profile.

24. 2005 – YouTube is created 2005 – YouTube is created. 2005 – YouTube is created

25. What will be the next great invention with computers??? What will be the next great invention with computers???