When and where was the first programmable electronic colossus, put into operation?

SCHOLARSHIP QUESTION:

A. 1940, Cambridge University England
B. 1945, university of Pennsylvania USA
C. 1948, Kremlin Moscow
D. 1943, Bletchley Park, England
E. 1941, Berlin, Germany

The Correct Answer is:

D. 1943, Bletchley Park, England

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