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1642 - 1890

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First computer machine was made by Blaise Pascal in 1642.

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First computer machine was made by Blaise Pascal in 1642.

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Was made to execute arithmetic operations with numbers.

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2017-06-12 00_22_35-A história dos computadores e da computação - TecMundo

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Charles Babbage and the Analytic Machine in 1834.

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Charles Babbage and the Analytic Machine in 1834.

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In 1834, Babbage create an analytic machine that was the base for the first computer machine.

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1890, Hermann Hollerith create the first mechanical computer.

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First to fourth generations

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1946 - 1959
Eniac was created to calculate a cannon bullet trajectory and cost 10 million dollars.

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1959 - 1964
1 - Replacement of electronic valves by transistors;
2 - Creation of printed circuit technology;
3 -  Hardware size reduction;

Exemple: IBM 7030 or Strech.

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1964 -1970
1 - Use of integrated circuits;
2 - Machines became faster;
3 - Substantial price reduction;

Example: IBM 360/91.

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1970 - Today
1 - Microprocessors and personal computers;
2 - CPUs have reached the incredible threshold of bilions of operations per second;
3 - Software and systems have become as important as hardware;

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2017-06-12 00_30_00-A história dos computadores e da computação - TecMundo

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https://www.youtube.com/watch?v=F3qWg1JBPZg&t=66s

http://www2.ic.uff.br/~aconci/evolucao.html