1 déc. 2401 av. J.-C. - First evidence of computation:The abacus
Description:
 The abacus was first know recorded form of an "automatic computer" and was believed to have been made in Babylon.The abacus generally features a table or tablet with beaded
strings. It was in use in china and japan until 1990 then it was replaced by calculators. 
Ajouté au bande de temps:
Date:
1 déc. 2401 av. J.-C.
Maintenaint
 ~ Il y a 4430 ans