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Ada lovelace was born
Ada lovelace is the first computer programmer -
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Early History
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Punch cards
Punch cards are first used in stores -
Analytical machine (explained)
Charles Babbage first describe analytical machine -
IBM
IBM is founded -
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1st Generation
They started to use vacuum tubes to keep the memory -
Period: to
2nd generation
They use transistors (upgrade version of vacuum tubes) because its more cheaper, smaller and easy to use. -
Period: to
3rd generation
They change and use Integrated circuits(computer chip) -
Period: to
4th generation
Now we use microprocessor (silicon chip that contains CPU). -
First transistor
In December 3 1987, the first transistor is created -
World Wide Web
World wide web start its buisness.
