21 h 35 min, 21 janv. 1947 ans - Invention of the Keyboard.
Description:
Before the keyboard, people used punchcards. the keyboard was invented so people could type information at ease.Ajouté au bande de temps:
Date:
21 h 35 min, 21 janv. 1947 ans
Maintenaint
~ Il y a 77 ans
