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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.
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Napier's rods' consisted of 10 rectangular blocks with multiples of a different digit on each of the four sides
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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.
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A hand cranked, mechanical digital computer anticipated virtually every aspect of present-day computers.
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The first freely programmable computer
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Included a binary system of arithmetic, parallel processing, regenerative memory, separation of memory and computing funtctions, and more.
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A vacuum tube computing machine
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Who was first in the compting biz is not always as easy as ABC
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The world's first electronic, large-scale, general-purpose computer
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The invention of the transistor greatly affected computer history
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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.
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The first successful high level programming language was developed
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The Internet began as a military computer network
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The world's first available dynamic RAM chip
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The first consumer computers were available such as Scelbi, Apple, and IBM 5100 computers
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CRAY 1 was the world's forst electronic digital computer
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First computer to have a "window" type graphical interface
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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
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Word Processors for computers were developed
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Apple introduced the Apple Macintosh Computer which was more affordable for cunsumers
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Microsoft Windows was introduced and thus begins the friendly war with Apple.
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Internet service providers such as AOL, MCI, and Sprint began to offer service to comsumers
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became available to consumers, Personal Digital Assistance allows numeric calculations, music, downloads, and games
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Microsoft Windows 2000 was released February 17, 2000
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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
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The Kindle Fire is released for sale on November 15, 2011
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Microsoft Windows 8 and Microsoft Surface is released
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Google and several other companies migrate to IPv6
