Question

what is the function of Ctrl+s. alt+n. ctrl+ n. ctrl+ v

Answer 1

ctrl+c = copy
ctrl+n = to open my folders 
alt+n = edit 
ctrl+v =  paste 

Answer 2

• The function of Ctrl+S,  alt+n. ctrl+ n. ctrl+ v varies depends on the application and operating system used.  
• Often Ctrl+S command is used to save any open worksheet in applications like Microsoft Word, Power Point, Excel etc in windows operating system.  
• Ctrl+S in any browser command is used to save a copy of the webpage.
• Alt+n is used as insert tab in case of Microsoft Excel, Word and Power point.
• Ctrl+N is used to open a new document in Microsoft applications like Word, Excel and Powerpoint.  
• Ctrl+N is also used to open a new application window in browser.
• Ctrl+V is used to paste any copied content in application like Word, Excel and Power Point. It comes after Ctrl+C.