1. Da Vinci drew plans for a calculator
Pascaline
France
Blaise Pascal
First Working Mechanical Calculator
Difference Engine
England
Charles Babbage
First Working Mechanical Calculator
Abacus
Chinese
First Calculator
Used Beads
Father of Computers
1500 AD
1640
1801
1822
3000 BC
1830
Calculator
Italy
Da Vinci drew plans for a calculator
Punch Card
France
Jaquard
First Storage Device
Analytical Engine
England-Babbage
Lady Ada Lovelace-
First Programmer

2. Hollerith sells his company and it becomes IBM
ENIAC
USA
First electronic general use computer
1st Generation
Vacuum Tubes
Punch Card
USA
Hermann Hollerith
Tabulating Machine
Transister is Patented
Programmed by Women!
1910
1943
1945
1948
1890
Hollerith sells his company and it becomes IBM
The Computer Bug
Named by Grace Hopper
Hear from Adm Hopper
2nd Generation
Transistor

3. Vacuum Tube vs Transistor
Big
Hot
Slow
Broke down often
Transistor
Very small-fit on spacecraft
No light bulb heat!
Due to size, many more could work faster
More reliable-not as much to break

4. Douglas Englbert patents the first mouse
Altair-first computer available to buy by individuals $397 (over $1000 today!)
3rd Generation
Integrated Circuits
Integrated Circuit
Jack Kilby
Texas Instruments
In November, Intel uses the first Microprocessor
1963
1971
1972
1974
1958
4th Generation
Microprocessor
1972-Present
Pong released by Atari-first computer game to gain popularity
Mouse
Douglas Englbert patents the first mouse

5. Steve Jobs and Steve Wozniak
Macintosh is released using the GUI technology
Microsoft
Bill Gates and Paul Alan
Apple II is released
1976
1977
1980
1984
1975
1991
IBM releases the IBM PC
Apple
Steve Jobs and Steve Wozniak
Pixar begins work on full length movies

6. Other Developments 1991-World Wide Web is launched
1996-Internet Explorer is released
1999-Napster starts peer to peer file sharing
2001-IPOD launched by Apple
2005-YouTube
2007-Iphone
2009-Nook released by Barnes and Noble and first netbook released
2010-first fully robotic surgery performed and Watson wins jeopardy!