computer knowlwdge f1 to f12

F1=Help 
F2=Rename Desktop Icon
 F3=Find 
F4=Address Bar Autocomplete 
F5=Refresh(on a webpage)
 F6=Move cursor in structure (Address-Tool-Web) 
F7=Caret Browsing 
F8=Enter Safe Mode (while booting) 
F9=Update selected text (MS Word) 
F10=Menu Bar (MS Word) 
F11=Full Screen
F12=Developer Tools