JOHN VON NEUMANN The EDVAC

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Presentation transcript:

JOHN VON NEUMANN The EDVAC By: Alessandra Souroujon

Agenda Biography Timeline Interest in computer ENIAC EVAC How it works Bibliography

Biography 1903-1957 born banking family in Budapest education in Budapest Reputation: theory, algebra, quantum mechanics. 1933: Institute for Advanced Studies, appointed Professor of Mathematics became US citizens

Timeline 1933 Appointed Professor of Mathematics 1945 1st draft EDVAC Born 1903 1925 diploma chemistry 1955 appointed Atomic Energy Commissioner Died 1957 1947 EDVAC published 1921 University of Budapest 1930 Princeton University 1943 ENIAC

http://www-groups.dcs.st-and.ac.uk/~history/PictDisplay/Von_Neumann.htmll

Interest in computers computers to applied mathematics problems. expertise in: hydrodynamics, ballistics, meteorology, game theory, and statistics, several projects. mechanical devices for computation ENIAC 1st Draft of the of a Report on the EDVAC

ENIAC Electronic Numerical Integrator and Computer The first large-scale general purpose electronic computer Built University of Pennsylvania Demonstrate high-speed, digital computing Created by: john W. Mauchly and J. Presper Eckert Modern electronic computing industry

General View of the ENIAC http://www.library.upenn.edu/exhibits/rbm/mauchly/jwmintro.html

EDVAC Electronic Discrete Variable Automatic Computer Neumann drafted “ first draft report of the EDVAC Design” EDVAC successor of the ENIAC Same designers Public presentation 1947 This machine holds program in memory More international memory Multipurpose computer

Draft http://www.library.upenn.edu/exhibits/rbm/mauchly/jwm9.html

EDVAC http://www.thocp.net/hardware/edvac.htm

How does it work? tube of mercury: electronic pulse could be bounced back and forth on/off switchability EDVAC was to use binary rather than decimal numbers simplifiying: arithmetic units All numbers: binary 0/1

http://ei.cs.vt.edu/~history/VonNeumann.html

Bibliography http://ei.cs.vt.edu/~history/VonNeumann.html http://www.library.upenn.edu/exhibits/rbm/mauchly/jwm9.html http://www.thocp.net/hardware/edvac.htm http://www.cs.berkeley.edu/~christos/classics/paper.pdf#search=%22how%20does%20EDVAC%20work%3F%22