-
2300 BCE
The start of computing
earliest known tool used for computing is the Sumerian abacus -
2000 BCE
2nd
Archimedes uses the mechanical principle of balance to calculate mathematical problems -
100 BCE
3rd
The Antikythera mechanism is created as the earliest known geared computing device. It was designed to calculate astronomical positions. -
4th
Charles Sanders Peirce does an experiment that is carried out by electrical switching circuits.