Largest computer ever built

Submitted by Tom on Sat, 10/13/2012 - 18:22

The AN/FSQ-7 is, physically, the largest computer ever built. It was part of the SAGE system built in 1958. It was used by the USA during the cold war for automated air defense. Each machine used 55,000 vacuum tubes, weighed 275 tons, and used up to 3 megawatts of power.

Model of the computer room