Conceived in 1937, the machine was built by Iowa State College mathematics and physics professor John Vincent Atanasoff with the help of graduate student Clifford Berry. It was designed only to solve …

Atanasoff-Berry Computer (ABC), an early digital computer. It was generally believed that the first electronic digital computers were the Colossus, built in England in 1943, and the ENIAC, built in the …

At a Mississippi River roadhouse he jotted on a napkin the basic features of an electronic computing machine. Atanasoff’s linear equation-solver, built with graduate student Clifford Berry, could solve a …

May 5, 2025 · The Atanasoff-Berry Computer was the first electronic computer, developed at Iowa State College. The computer was large, weighed 700 pounds, and could calculate one operation every 15 …

The Atanasoff Berry Computer, later named the ABC, was built at Iowa State University from 1939-1942 by physics professor Dr. John Vincent Atanasoff and his graduate student, Clifford Berry.

May 23, 2025 · Atanasoff received funding from Iowa State College to work on an automatic digital computer called ABC, with the assistance of Clifford Berry.

The Atanasoff-Berry Computer These pages present a technical description of the architecture and operation of the Atanasoff-Berry Computer, leading up to a graphical-interface simulation of the ABC …

With the help of one of his students Clifford E. Berry, in Iowa State College, during the 1940s, he created the ABC (Atanasoff-Berry Computer) that was the first electronic digital computer.

The money came through several months later, and Atanasoff and Berry completed the machine in the spring of 1942. At the time, Atanasoff called his invention simply a computing machine, but, years …

In its day, work on the Atanasoff–Berry Computer was not widely recognised. However, it was rediscovered in the 1960s when conflicting claims arose to determine who first invented the …