We all know of latest technology of today, as smartphone are now dominating every where, before any one would even think of buying Computer, i' bet you'd have better smartphone at hand, my question goes here, Did smartphones can be pure substitute for Computers? find here the list of things that smartphone will not do.

#1 Computers are used for Repairing

you can use computers for repairing even you can repair mobiles with computer if you have the right program installed on your computer, I dont think Mobiles can perform such operation.

#2 DVD-CD/ROM/Writer

All Computers come with either CD/DVD/ROM/Writer that you can use to play CD/DVD Rom.

#3 Plug in Devices


you can use many plug in devices with Computer like USB, Keyboard, Printers, Mouse and many others

#4 Designing & Editing

you can as well use Computers for editing and designing am not talking about photo editing here o, i mean web editing, autocad and many others

source: http://www.kulhead.com/2013/05/list-of-4-unique-uses-of-computers-over.html