leitura complementar 03 - computadores eletrônicos
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Os primeiros computadores eletrônicos
LNCC UFRJ
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Válvula ‐ tríodo
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ENIAC
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Dados sobre o ENIAC• Início do projeto – 1942• Iniciou atividades – 1946• Local ‐ Universidade da Pensilvânia –Moore School of Electrical
Engineering• Idealizadores ‐ J. P. Eckert e John Mauchly• Tamanho – 5,50 por 24,40 metros• Consumo – 150 Kw• 17.468 válvulas eletrônicas• 70.000 resistências• 10.000 capacitores• 1.500 relés• 6.000 comutadores manuais
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ENIAC
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ENIAC ‐Balística
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ENIAC ‐ Aplicações
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ENIAC ‐ Adele G.
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No Report Neumann referencia devidamente os idealizadores Eckert
e Mauchly?
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Moore School ‐o famoso
curso de Von Neumann
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ENIAC e seus filhos diretos• ENIAC – Electronic Numerical Integrator and
Computer• EDVAC – Electronic Discrete Variable
Automatic Computer• EDSAC – Electronic Delay Storage Automatic
Calculator• MADAM – Manchester Automatic Digital
Machine• UNIVAC – UNIversal Automatic Computer
• Whirlwind
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EDVAC–
IAS Princeton
John Von Neumann
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EDVAC ‐ equipe
James PomeraneJulian BigelowJohn von NeumannHerman Goldstine(esquerda p/. Direita)
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EDVAC Memória
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EDSAC –Un. Cambridge ‐ Inglaterra
6 / maio / 1949
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EDSAC‐
memória
Maurice Wilkes
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MADAM
Un. Manchester Inglaterra
F. C. WilliamnsT. Kilburn
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MADAM ‐ imprensa
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MADAM‐
memória
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UNIVAC 1947
J. Prespert Eckert (sentado)
James Rand –Pres. da Remington Rand
R. V. Peel –Diretor do US Census
General Leslie Groves –Vice‐pres. da Remington Rand
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Whirlwind
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Memória – Núcleo de ferrite
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Whirlwind
Jay W. Forrester – MIT Patrick YoutzStephen H. Dood