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100
Abacus
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Slide Rule
A manual device used for calculation that consists in its simple form of a ruler and a movable middle piece which are graduated with similar logarithmic scales. -
Napier's Rods
Napier's rods' consisted of 10 rectangular blocks with multiples of a different digit on each of the four sides -
Pascal's Adding Machine
A wheel carried a total greater than nine by executing a complete turn and advancing the higherorder wheel to its left by one digit. Pascal's principal of interlocking wheels remainedcentral to the operation of most adding machines for the next 300 years. This machine performed addition. -
Weaving Machine
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Babbage's Analytic Engine
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Difference Engine
A hand cranked, mechanical digital computer anticipated virtually every aspect of present-day computers. -
Z1 Computer
The first freely programmable computer -
Atanasoff Berry Computer
Included a binary system of arithmetic, parallel processing, regenerative memory, separation of memory and computing funtctions, and more. -
Colossus
A vacuum tube computing machine -
ABC Computer
Who was first in the compting biz is not always as easy as ABC -
ENIAC
The world's first electronic, large-scale, general-purpose computer -
The Transistor
The invention of the transistor greatly affected computer history -
Vacuum Tubes based Technology
The first commercial computer use of vacuum tubes (electronic devices consisting of glass or steel vacuum envelope and two or more electrodes between which electrons can move freely. -
FORTRAN Computer Programming Language
The first successful high level programming language was developed -
The Internet
The Internet began as a military computer network -
Intel 1103 Computer Memory
The world's first available dynamic RAM chip -
Consumer Computers
The first consumer computers were available such as Scelbi, Apple, and IBM 5100 computers -
First Electronic Digital Computer
CRAY 1 was the world's forst electronic digital computer -
Apples/MACs
First computer to have a "window" type graphical interface -
Integrated Circuits
A demonstration of the first integrated circuit was done by Jack Kilby. Originally the circuits were 7/16" wide and contained two transistors whereas now circuits contain hundreds of thousands of transistors -
WordStar Software
Word Processors for computers were developed -
Apple Macintosh Computer
Apple introduced the Apple Macintosh Computer which was more affordable for cunsumers -
Microsoft Windows
Microsoft Windows was introduced and thus begins the friendly war with Apple. -
Internet Service Providers
Internet service providers such as AOL, MCI, and Sprint began to offer service to comsumers -
Personal Digital Assistants
became available to consumers, Personal Digital Assistance allows numeric calculations, music, downloads, and games -
Microsoft Windows
Microsoft Windows 2000 was released February 17, 2000 -
Death of Mathematician
Claude Elwood Shannon, the mathematician who laid the foundation of modern information theory while working at Bell Labs, died on February 24, 2001. He was 85 years old -
Kindle Fire
The Kindle Fire is released for sale on November 15, 2011 -
Windows 8
Microsoft Windows 8 and Microsoft Surface is released -
Google Migrates
Google and several other companies migrate to IPv6
