 Do you know about the history of that computer sitting at home? Do you know how many inventors it took to finally get a working computer that is, most likely not as powerful as you phone.

 Early Computational Devices Early Computational Devices  Early Computers Early Computers  Generations & main components Generations & main components  Inventors/Developers Inventors/Developers  Internet Internet

 Abacus Abacus  First Microcomputer First Microcomputer  Punched Cards Punched Cards

 ENIAC ENIAC  Mark1 Mark1  EDSAC EDSAC  EDVAC EDVAC  UNIVAC UNIVAC

 GenerationsTrystanJohnson.docx GenerationsTrystanJohnson.docx

 Paul Allen Paul Allen  Eckert & Mauchly Eckert & Mauchly  John von Neumann John von Neumann  Blaise Pascal Blaise Pascal  Herman Hollerith Herman Hollerith  Marc Andreessen Marc Andreessen

 Tim Berners-Lee Tim Berners-Lee  Bill Gates Bill Gates  Steven Wozniak Steven Wozniak  Steven Jobs Steven Jobs

 Birth of the Net Birth of the Net

 First form of the internet was ARPANET, a military experimentARPANET

 Department of Defense’s military experiment to make a long distance communication network Department of Defense’s

 An early counting device  The picture (below) is of a Russian Abacus

 One of the two founders of Apple Computer, Inc.Apple Computer, Inc.

 One of the two founders of Apple Computer, Inc.Apple Computer, Inc.

 Founder of microsoft

 Worlds first electronic digital computer

 The first browser was Mosaic

 Creator of the World Wide Web

 Creator of the browser Mosaic

 Developed arpanet

 Designed and tested the analytical engine

 Designed the tabulating machine

 First programmable digital computer in the US

 Second computer to utilize storage for programs

 Early electronic computer

 First commercial computer made in the US

 Inventor of the mechanical calculator

 First had the idea to store programs

 The first commercial microcomputer was the Altair 8800

 Developed the computer ENIAC

 Formed by Bill Gates and Paul Allen

 Formed by Steven Jobs and Steven WozniakSteven Jobs Steven Wozniak

 Early way to store information

 The cofounder of Microsoft

 Now that you know the history behind that old desktop computer, do you respect how much time and effort it took to make that?