Analog to Digital Media

First mechanical computer

1822

Charles Babbage designs his first mechanical computer

Photophone

1880

Alexander Graham Bell invents the first telephone

Radio Signals

1895

Invented by Guglielmo Marconi

Television Electronic

1923

Invented by Philo Famsworth

Universal Formal Language

1931

Kurt Godel publishes a paper on the use of universal formal language

Theoretical Computing Machine

1937

Alan Turing develops this concept

ASCII

1963

The American Standard Code for Information Interchange is developed to standardise data exchange among computers.

First Computer Mouse

1963

Douglas Engelbart invents and patents the first computer mouse (nicknamed the mouse because the tail came out at the end)

Hypertext

1965

Andries van Dam and Ted Nelson coin the term "hypertext"

E-mail

1971

Invented by Ray Tomlinson

LCD

1971

Liquid Crystal Display was invented by James Fergason

Mini Computer

1973

The mini computer Xerox Alto (1973) was a landmark step in the development of personal computers

Routing Computers

1973

Vint Cerf and Bob Kahn develop gateway routing computers to negotiate between the various national networks

Microsoft

1975

The Microsoft Corporation was founded April 4, 1975 by Bill Gates and Paul Allen to develop and sell BASIC interpreters for the Altair 8800 (first portable computer)

Apple Computer

1976

Founded by Steve Wozniak and Steve Jobs

MODEM

1977

Ward Christensen writes the programme "MODEM" allowing two microcomputers to exchange files with each other over a phone line

DOS

1980

IBM hires Paul Allen and Bill Gates to create an operating system for a new PC. They buy the rights to a simple operating system manufactured by Seattle Computer Products and use it as a template to develop DOS.

SMTP

1982

Simple Mail Transfer Protocol is introduced

DNS

1983

Domain Name System (DNS) pioneered by Jon Postel, Paul Mockapetris and Craig Partridge. Seven 'top-level' domain names are initially introduced: edu, com, gov, mil, net, org and int.

The Internet, World Wide Web & Tim Berners-Lee

1990

Tim Berners-Lee and Robert Cailliau propose a 'hypertext' system starting the modern Internet

The World Wide Web

1991

The World Wide Web is launched to the public on August 6, 1991

YAHOO

1994

YAHOO is created in April, 1994.

Java

1995

Java is introduced

Amazon

1995

Amazon.com is founded by Jeff Bezos

EBay

1995

EBay is founded by Pierre Omidyar

Hotmail

1995

Hotmail is started by Jack Smith and Sabeer Bhatia.

Google

1998

Google is founded by Sergey Brin and Larry Page on September 7, 1998

PayPal

1998

PayPal is founded by Peter Thiel and Max Levchin