computer history

Difference Engine

Jun 14, 1822

(source) He presented his difference engine to the Royal Astronomical Society. It was able to calculate polynomials by using a numerical method called the differences method.

Analytical Engine

Jan 1, 1837

(source) He invented machine better thatn the difference engine. (no specified date)

Second Difference Engine

Period: Oct 1, 1846 to Mar 1, 1849

(source)Between October 1846 and March 1849 Babbage started designing a second difference engine but he did not tried to build the machine. (No specified date)

Bombe

Jan 1, 1940

(source)With Gordon Welchman, Alan Turing develops the Bombe to decipher the messages sent by the Germans using their Enigma machine. (No specified date)

Colossus

Dec 1, 1943

(source) Tommy Flower designed and built Colossus which can read encrypted German messages during World War II. (No specified date)

Intel 4004 and RAM

Jan 1, 1971

(source)The world's first microprocessor, Intel 4004 and the first available dynamic RAM were introduced by Intel. (no specified date)

e-Mail

Jan 1, 1971

(source) Email system was performed by a programmer named Ray Tomlinson. (no specific date)

Floppy Disk

Jan 1, 1971

(source) Floppy disk was invented and released by IBM. (No specifid date)

IBM 5100

Sep 1, 1975

(source) The first portable computer was introduced by IBM. (No specified date)

Compact Disc

Jan 1, 1982

(source)CD became the first digital storage format available to the public. (No specified date)

First Macintosh

Jan 24, 1984

(source) Apple releases the first Macintosh

First MS Windows

Nov 20, 1985

(source)Microsoft releases the first Windows

World Wide Web

Jan 1, 1990

(source)Tim Bemers-Lee developed a new technique to distribute information on the internet, the World Wide Web. (no specified date)

Java

Jan 1, 1995

(source)Java, programming language was developed by James Gosling at Sun Microsystems. (No specified date)

Google

Sep 4, 1998

(source)Search engine, Google was found by Larry Page and Sergey Brin, the students of Stanford University.

Youtube

Feb 1, 2005

(source) The video sharing website was created by three former PayPal employees. (No specified date)