Electrical Computers

Learn how ENIAC works, and what transistors are.

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ENIAC

The next step in computer design was the construction of the Electronic Numerical Integrator and Computer (ENIAC). It was the first electronic and general-purpose digital computer that could be programmed.

The ENIAC was constructed in 1946 by John Eckert and John Mauchly. It used a new type of element to perform computations: vacuum tubes. Most computer engineers were skeptical about vacuum tubes before this new invention, due to their high failure rate and energy consumption.

ENIAC

The vacuum tube replaced the relay. The tube is a purely electronic device. It does not have any mechanical ...