The ILLIAC I or Illinois Automatic Computer, an early computer built by the University of Illinois, was based on the Institute for Advanced Study (IAS) architecture developed by John von Neumann. As with all computers of its era, it was a one of a kind machine that could not exchange programs with other computers (even other IAS machines). The computer was built in 1952. The computer had around 2,800 vacuum tubes in it. The ILLIAC was very powerful for its time. In 1956, it had more computing power than all of Bell Labs. The ILLIAC was the first computer at the University of Illinois.
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