At about 3700 BC, the Summer in Mesopotamia (where funds are lacking wood and stone, the most common resource is clay) have created the clay tablet about the size of a hand to make equipment The first information storage
đang được dịch, vui lòng đợi..
![](//viimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)