A History ofComputers

500 BC: The abacus

Not a whole lot…

• The Roman Empire, Jesus, King Arthur, the Dark Ages, The Renaissance, Christopher Colombus, Galileo, Coppernicus, The American Revolution, The French Revolution, a lot of other Revolutions, blah blah blah, blah blah blah blah blah

1837: The Analytical Engine

Charles Babbage

Ada Lovelace

Not a whole lot…

• The car is invented, World War I, my grandma is born, The Great Depression, The invention of the movie, the Russian Revolution, probably some more Revolutions somewhere, blah blah blah, blah blah blah blah blah

1899"Everything that can be invented

has already been invented." Charles H. Duell, director of the U.S. Patent Office

Computers and the Military

1946: The first electronic computerENIAC

1943-1959: The 1st generationvacuum tubes and punch cards

1943"I think there is a world market for

maybe five computers.“ Thomas Watson, chairman of IBM.

1959-1964: 2nd generationThe Transistor and the circuit board

The computer monitor

1962: The First Computer Game

1964-1972: 3rd generationThe integrated circuit

1968: Douglas Englebart invents the mouse

1969: ARPANET is startedancestor to the Internet

1972 – present: 4th generation(Very) Large Scale Integration

1977"There is no reason anyone would want a computer in their home." Ken Olson, president, chairman and founder of

Digital Equipment Corporation.

The next 20 years

• The Personal Computer• The Internet gets popular

– E-Mail– World Wide Web– Instant Messaging (AIM, ICQ, MSN, etc)