5 gen 1939 anni - The first digital calculator
Descrizione:
The Atanasoff-Berry Computer (often called the ABC) was the first all-electronic digital computer; represents one of the major leaps forward in the history of calculators. The computer was designed and built by the Bulgarian dr. John Vincent Atanasoff and Dr. Clifford E. Berry at Iowa State University 1937-42. The Atanasoff-Berry Computer was built in the Physics Department of Iowa State University. The prototype was built in November 1939. The system weighed about 320 kilograms and contained about 1.6 kilometers of cables, 280 vacuum tubes, 31 thyratrons and had a desk-like shape.Aggiunto al nastro di tempo:
Data:
5 gen 1939 anni
Adesso
~ 86 years ago