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100
Abacus
The abacus was invented 500 BCE in Babylon. The abacus was only made of string and beads. It’s only function was the same as a simple calculator. -
Period: 100 to
History of Technology
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The Pascaline
The pascaline is invented by Pascal, it was used to help his father to do the taxes. It could add and subtract with a single rotation. -
Stepped Reckoner
This device was invented by a German mathematician, Gottfried Wilhelm von Leibnitz. The stepped reckoner was a digital mechanical computer, which was finished in 1694. It was way ahead of its time, and could multiply and divide as well as add and subtract -
Telegraph
The first telegraph is built. -
Difference Engine # 1
The difference engines were machines invented by Charles Babbage, said to be the father of computers. He invented the difference engine # 1 in 1821. It's function was to calculate polynomial functions. -
Tide Predicting machine
This was a machine constructed to sketch and predict the tides. This was one of the first machines to make mechanical calculations and print out results on paper. -
Atanasoff-Berry Computer
This was the first fully electronic computer, mostly because it used the binary code. -
ASCC Computer
Made by Harvard’s Physics professor, Howard Aiken. This machine weighed 35 tons and had 500 miles of writing. It stands for Automatic Sequenced Controlled Calculator. -
Colossus Mark 1
This was the first digital electronic computer that was fully programmable, unlike the ABC. -
ENCIAC
ENIAC stands for Electronic Numerical Integrator And Computer. It was an idea stolen by ABC. It is credited for being the first digital computer, because Colossus was done in secret. -
ARPANET succeeds in getting 2 computers to exchange data
http://en.wikipedia.org/wiki/ARPANETARPANET stands for Advanced Research Projects Agency Network, which is a US government funded project in global communication. -
Electonic Mail
This is invented by Ray Tomilinson. He uses @ to distinguish between sender's name and network name in the e-mail address. -
Microsoft Windows
Microsoft introduced an operating environment named Windows on November 20, 1985 as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs). -
World Wide Web
Tim Benners-Lee develops a new technique for distributing information on the internet, World Wide Web. -
Youtube
Youtube.com is launched
