COMPUTER, 1942. /nThe Atanasoff-Berry Computer, or ABC, an electronic calculating machine invented by John V. Atanasoff and Clifford Berry in 1942, showing the memory drum (center, rear), card readers (metal trays at
Atanasoff-Berry Computer Operation/Purpose
Reconstruction of the Atanasoff-Berry Computer
Reconstruction of the Atanasoff-Berry Computer
The Man Who Invented The Computer' | The Takeaway | WNYC Studios
Atanasoff-Berry Computer | Britannica
The Atanasoff-Berry Computer In Operation - YouTube