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Ames Lab, DOE, ISU, Ames, Iowa
Reconstruction of the
Atanasoff-Berry Computer (ABC)
60 years of digital computing
The Atanasoff-Berry Computer was the first electronic digital
computer.
Built in 1937-1942 at Iowa State University by John V. Atanasoff
and Clifford Berry, it introduced the ideas of binary arithmetic,
regenerative memory, and logic circuits. These ideas were communicated
from Atanasoff to Mauchly, who used them in the design of the
better-known ENIAC built several years later.
The original ABC was dismantled decades ago. Ames Laboratory,
using private funding, is building a working replica of this
historically important invention. These Web pages tell about
our progress, and give background about this remarkable machine
and its inventors.
For more information, see the ISU Computer Science webpages on
John Vincent Atanasoff and the Birth of the Digital Computer
Contacts:
Revised: January 22, 2003
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