The ENIAC: Then and Now - College of Computing & Informatics
嚜燜he ENIAC:
Then and Now
Brian L. Stuart
Drexel University
The ENIAC
1
What Is ENIAC?
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Large-scale computing system
Contracted in 1943 for the US Army
Built during WWII
Dedicated February 15, 1946
Converted to sequential instruction execution in 1948
Retired 1955
Used for:
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Atomic bomb development
Ballistics trajectories
Number theory
Weather prediction
and more
2
Key People
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Common Statistics
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40 racks, each 8＊ by 2＊
About 18,000 tubes
100KHz basic clock
200?S addition time
About 150KW of power
29 power supplies
78 DC voltages
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