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Punch card
Punch card was invented in 1725. And it was improved in 1801. -
Period: to
Early history
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Analytical Machine
It was designed by Charles Babbbage. The input of it was punched cards. Only the trial piece was completed before the death of Charles Babbage. -
Douglas Engelbart
He is the one who invented mouse and hypertext. -
Magnetic drum
It is a storage data. -
Period: to
1st generation
In 1945, we started having a memory to hold like the data. It is called "Vacuum tubes" and "magnetic drums". It is non portable because the big size. -
ENIAC
It was first announced. It is the first electronic general purpose computer. -
UNIVAC
Comes from the word UNIVersal Automatic Computers. -
Invention of the Integrated Circuit
It contains a number of transistor. -
Period: to
2nd Generation
They used transistors and memory. Transistors took place of the vacuum tubes. The assembly language was even easier than binary codes. It also has printers. Because of a very hot heat of the computer workig hard, they also needed air condition to keep he computer cooled down. -
Transistor
It is a semiconductor that switch from electric to power. -
Mouse
The controller "mouse" was invented -
Period: to
3rd Generation
The transistor is smaller and is placed on the silion chips. It could run different kinds of Applications. They also used Semiconductor. -
Period: to
4th Generation
This is one of the modern computers. It can be used to play games and do many other applications. Million of components are in the silicon chips. It is connected to the world by internet and world wide web. It is from 1971 to the present. -
Mouse is popular
Mouse was not popular when it first made. It began to became populer when apple also made one. -
Apple Macintosh is released
An apple product had released Macintosh in 1984. I think it is one of the 4th generation computers. -
Portable Macintosh Portait
The Apple portable macintosh is released. In nowaday it's like Macbook. -
World Wide Web
World Wide Wed is published. -
Noble award on the Integrated Circuit
Four people got the Noble award for Physics in 2000. Which were Kilby, Lehovec, Noyce and Hoerni. -
Itune Music Store
It was launched by Apple.
