Hafiz Muhammad Naeem answered 5/3/2007 What Are The Three Main Purposes Of The Operating System? Operating system is used to communicate with computers. Through this a man can control all operations related to hardware and software.
Hafiz Muhammad Naeem answered 5/2/2007 Does Cold Air Flow Towards Hot Air Or Vice Versa? Hot air rises up and to fill the gape of that air space cold air flows to hot air.
