User:Robert W King/Sandbox: Difference between revisions
imported>Robert W King |
imported>Robert W King |
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?? A.D. | ?? A.D. | ||
the Codex Madrid written by Leonardo Da Vinci | the Codex Madrid written by | ||
Leonardo Da Vinci | |||
1642 | 1642 | ||
| Line 24: | Line 25: | ||
1821 | 1821 | ||
Babbage creates the Difference Engine No. 1 | Babbage creates the Difference | ||
Engine No. 1 | |||
?? | ?? | ||
Babbage creates the Analytical Engine | Babbage creates the | ||
Analytical Engine | |||
1884 | 1884 | ||
Hollerith's Electric Tabulating System | Hollerith's Electric | ||
Tabulating System | |||
1890 | 1890 | ||
Hollerith improves his system by adding a keyboard | Hollerith improves his | ||
system by adding a | |||
keyboard | |||
1936-1938 | 1936-1938 | ||
Konrad Zuse creates the Z1 | Konrad Zuse creates | ||
the Z1 | |||
1936-1939 | 1936-1939 | ||
Z2 | Z2 | ||
| Line 43: | Line 50: | ||
1943 | 1943 | ||
First Colossus prototype by Tommy Flowers | First Colossus prototype | ||
by Tommy Flowers | |||
1944 | 1944 | ||
Construction of ASCC, or Harvard Mk I by Howard Aiken | Construction of ASCC, or | ||
Harvard Mk I by Howard Aiken | |||
1946 | 1946 | ||
ENIAC construction complete | ENIAC construction complete | ||
Orders from Churchill to destroy all 10 Colossus machines | Orders from Churchill to | ||
destroy all 10 Colossus machines | |||
1951 | 1951 | ||
UNIVAC delivered to the census bureau | UNIVAC delivered to the | ||
census bureau | |||
1952 | 1952 | ||
Revision as of 11:44, 21 May 2007
Test of timeline
chicken,chicken,chicken,chicken,chicken,chicken,chicken,chicken chicken,chicken,chicken,chicken,chicken,chicken,chicken,chicken chicken,chicken,chicken,chicken,chicken,chicken,chicken,chicken
?? B.C. Slamis Tablet 300 B.C. - 500 A.D. Roman Hand Abacus Circla 1200 A.D. modern Chinese Abacus ?? A.D. the Codex Madrid written by Leonardo Da Vinci 1642 Pascal invents the Pascaline 1821 Babbage creates the Difference Engine No. 1 ?? Babbage creates the Analytical Engine 1884 Hollerith's Electric Tabulating System 1890 Hollerith improves his system by adding a keyboard 1936-1938 Konrad Zuse creates the Z1 1936-1939 Z2 1939-1941 Z3 1943 First Colossus prototype by Tommy Flowers 1944 Construction of ASCC, or Harvard Mk I by Howard Aiken 1946 ENIAC construction complete Orders from Churchill to destroy all 10 Colossus machines 1951 UNIVAC delivered to the census bureau 1952 EDVAC becomes operational |
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