The History The History of of

TechnologyTechnology

Computer GenerationsComputer Generations First Generation: Vacuum Tubes First Generation: Vacuum Tubes Second Generation TransistorsSecond Generation Transistors Third Generation Integrated CircuitsThird Generation Integrated Circuits Fourth Generation MicroprocessorsFourth Generation Microprocessors Fifth Generation Artificial IntelligenceFifth Generation Artificial Intelligence

8,500 BC8,500 BCScientists find an early form of computers:Scientists find an early form of computers:

a bone carved with prime numbers.a bone carved with prime numbers.

1000 BC and 500 BC1000 BC and 500 BCThe abacus was the The abacus was the next computing next computing device that consisted device that consisted of a series of of a series of moveable beads or moveable beads or rocks.rocks.

16421642Blaise Pascal Blaise Pascal invented the adding invented the adding machine, France.machine, France.

Before we had calculators we had slide rules.In 1632, the circular and rectangular sliderule was invented by W. Oughtred

16321632

18221822Charles Babbage, a Charles Babbage, a mathematician, mathematician, proposed the proposed the construction of a construction of a machine that he machine that he called the Babbage called the Babbage Difference Machine.Difference Machine.

18351835Charles Babbage Charles Babbage creates the Babbage creates the Babbage Analytical Engine.Analytical Engine.

19431943COLOSSUS – the first COLOSSUS – the first

programmable computer programmable computer created by Alan Turing, created by Alan Turing, England.England.

19461946ENIAC – first ENIAC – first

electronic electronic computer, USA. 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.

19511951 UNIVAC UNIVAC – first commercial – first commercial

computer. The U. S. computer. The U. S. government were the first government were the first to use the UNIVAC. The to use the UNIVAC. The second was Prudential second was Prudential InsuranceInsurance

19611961 First interactive First interactive

computer game computer game created.created.

The game was called Spacewar – it was the basis for all the "intergalactic shoot'em up" games to this day.

19661966 First handheld pocket calculator was First handheld pocket calculator was

invented by Texas Instruments, Inc. invented by Texas Instruments, Inc. Results of the calculations appeared on Results of the calculations appeared on

paper tape, and not on a screen.paper tape, and not on a screen.

19691969

ARPANETARPANET was the was the first wide area first wide area packet packet switchingswitching network, network, the "Eve" network of the "Eve" network of what has evolved what has evolved into the into the InternetInternet we we know and love today. know and love today. It connected four It connected four universities.universities.

19711971E-mail was E-mail was invented by invented by

Ray Tomlinson.Ray Tomlinson.

Intel creates Intel creates the first the first microprocessormicroprocessor..

19751975

Microsoft is formed.Microsoft is formed.

19761976

Apple Computers is Apple Computers is founded.founded.

5.25” floppy disks 5.25” floppy disks first used.first used.

19781978

19811981First personal First personal computer sold.computer sold.

Personal computer….Personal computer….““Man of the Year”Man of the Year”

19821982

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.

19821982CD’s and players CD’s and players introduced in Japanintroduced in Japan

TCP/IP, Internet TCP/IP, Internet language is language is developed.developed.

19851985Symbolics.com is the Symbolics.com is the

first registered first registered domain name.domain name.

3.5” disk becomes 3.5” disk becomes standard in all PCs.standard in all PCs.

19871987

19881988 – – The first The first computer virus.computer virus.

1991 1991 – – The World The World Wide Web is Wide Web is

released.released.

1993 – First graphics-1993 – First graphics-based Web based Web browserbrowser

1994 – First online 1994 – First online pizza order.pizza order.

1995 – Dial-up 1995 – Dial-up service offered for service offered for home use.home use.

1995 – 1995 – Toy StoryToy Story …100% …100% computer animated moviecomputer animated movie

1998 – Audience judges ice skating on-

line

1999 – Online banking becomes

available.

1999 - History of Napster1999 - History of Napster

20032003 The history of Myspace isn’t a long one, since the The history of Myspace isn’t a long one, since the

Web site has only been around for a few years. Web site has only been around for a few years. Myspace.com is a social networking site, intended Myspace.com is a social networking site, intended

to bring various users together for personal and to bring various users together for personal and professional interaction. professional interaction.

It began in 2003 and has since grown to become It began in 2003 and has since grown to become one of the most popular Web sites in the world. one of the most popular Web sites in the world.

It currently boasts over 80 million users and is It currently boasts over 80 million users and is only gaining in its momentum. only gaining in its momentum.

Tom Anderson is the founder of Myspace.Tom Anderson is the founder of Myspace.

20042004 In February 2004 Mark In February 2004 Mark Zuckerberg launched Zuckerberg launched "The facebook" "The facebook"

The name taken from the The name taken from the sheets of paper sheets of paper distributed to freshmen, distributed to freshmen, profiling students and profiling students and staff. staff.

Within 24 hours, 1,200 Within 24 hours, 1,200 Harvard students had Harvard students had signed upsigned up

After one month, over After one month, over half of the undergraduate half of the undergraduate population had a profile.population had a profile.

2005 – 2005 – YouTube is createdYouTube is created..

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