ENIAC
University of Pennsylvania
1945
US Army Corporal Irwin Goldstein setting function
switches on the ENIAC. (Photo:
Smithsonian Inst) View of part of the ENIAC, the first electronic digital
computer, operational in December 1945.
Officially dedicated February 14, 1946. The historic computer contained 18,000 vacuum tubes, 70,000
resistors. 10,000 capacitors, and 6,000 switches. It was 100 feet long, 10 feet high and 3 feet deep. In 1946 it was moved to the Ballistic
Research Laboratory in Aberdeen, Md., and in 1955 it became part of a
permanent exhibition at the Smithsonian Institution. (Photo: The Smithsonian Institution)

ENIAC