ABC, the first electronic digital computer, was invented by John v. Atanasoff and his assistant Clifford Berry during 1937-1942.
It consisted of 18000 valves and other45 valves with wires.
It was build for calculation of difficult equations and other mathematical equations.
Its main features are as follows:
it uses binary digits to represent all numbers and data.
Organizing a system in which computation and memory are separated.
Performing all calculations using electronics rather than wheels, ratchets, or mechanical switches.
picture credit:slideplayer.comThis machine was the first to store a change on a capacitor, which is how today computers store information in their main memory (RAM).
It used 45 vacuum tubes for internal logic and capacitors for storage.
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