Inventions, Computers, Internet, and More!

By Kylie Snyder

Introduction

• What do you know about computers and who invented them?]

• Would you like to learn?

Contents

• Early computational devices

• Early computers• Generations and main co

mponents• Inventors/developers• Internet

Early Computational Devices

• Abacus-invented by the Chinese around 2600 B.C., it is the oldest known calculating device in history.

Early Computers

• ENIAC- electronic numerical integrator computer, considered to be the digital computer that was built in the 1940’s in the USA.

• Mark1-invented by Howard Aiken and Grace Hopper.

• EDSAC-Second practical store-program computer.

• EDVAC-early electronic computer.

• UNIVAC-early models were vacuum tubes.

Generations and Main Components• First generation-vacuum

tubes• Second generation-

transistor• Third generation-keypads

and monitors• Fourth generation-

microprocessor• Fifth generation-artificial

intelligence

Inventors/Developers

• Steve Jobs-invented Apple 111, USB mouse, ipod, iMac G4, glass staircase, and ipad.

• Steven Wozniak-helped create the Apple computer company with Steve Jobs in 1976

• Bill Gates-founded Microsoft in 1985

• Time Berners Lee- created the World Wide Web

Inventors/Developers

• Marc Andreesen-co-founder and VP of Technology of Netscape Communications Corporation

• Charles Babbage-invented the difference engine and the analytical engine

• Herman Hollerith-invented computer punch cards

• Blaise Pascal-a french mathematician, physicist, inventor, writer, and catholic philosopher

Inventors/Developers

• John Von Neuman-Hungarian mathematician

• Eckert and Mauchly-Developed ENIAC

• Paul Allen-co founded Microsoft

• Formation of Microsoft-was formed in 1983

• Formation of Apple Computer, Inc- was formed in 1977

Internet

• Birth of the Net-started in 1957 when Sputnik was launched by the Soviet Union

• First Browser-first widely used browser was Mosaic

• ARPANET-first wide area packet switching network

Summary

• What have you learned? • There are so many things

that have helped us in life, and so many great inventors who invented them!

• I hope you enjoyed it!