A Timeline of Computer History by William Pereira Pessanha https://padlet.com/wppessanha_campos/615o1zg8eol6 Precursors and Generations of Modern Computing en-us 2017-06-12 02:38:39 UTC 2026-01-26 16:32:48 UTC hello@padlet.com First computer machine was made by Blaise Pascal in 1642. wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034087 Was made to execute arithmetic operations with numbers.]]> 2017-06-12 02:45:09 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034087 Precursors wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034229 1642 - 1890]]> 2017-06-12 02:47:45 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034229 Charles Babbage and the Analytic Machine in 1834. wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034323 In 1834, Babbage create an analytic machine that was the base for the first computer machine.]]> 2017-06-12 02:49:14 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034323 Hermann Hollerith in 1890 wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034404 1890, Hermann Hollerith create the first mechanical computer.

]]> 2017-06-12 02:50:55 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034404 Modern Computing wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034521 First to fourth generations]]> 2017-06-12 02:52:43 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034521 First Generation wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034835 1946 - 1959
Eniac was created to calculate a cannon bullet trajectory and cost 10 million dollars.]]> 2017-06-12 02:57:32 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034835 Second Generation wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034929 1959 - 1964
1 - Replacement of electronic valves by transistors;
2 - Creation of printed circuit technology;
3 -  Hardware size reduction;

Exemple: IBM 7030 or Strech.]]> 2017-06-12 02:59:10 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176034929 Third Generation wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176035234 1964 -1970
1 - Use of integrated circuits;
2 - Machines became faster;
3 - Substantial price reduction;

Example: IBM 360/91.


]]> 2017-06-12 03:06:29 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176035234 Fourth Generation until today wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176035457 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;]]> 2017-06-12 03:11:22 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176035457 Want to know more? wppessanha_campos https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176035750 https://www.youtube.com/watch?v=F3qWg1JBPZg&t=66s

http://www2.ic.uff.br/~aconci/evolucao.html]]> 2017-06-12 03:18:15 UTC https://padlet.com/wppessanha_campos/615o1zg8eol6/wish/176035750