The latest and most wonderful means of worldwide communication is a computer based global network system that has created a great revolution in the world.It is the cheapest and fastest means of communication for business and commerce.The information system of the world has become globalized with the magical touch of internet.Like a spider-web the internet has spread its interconnected link with tens, hundreds or even thousands of computers.Internet has brought new opportunities to government, education and business.In the developed countries teachers send every study material and course to every individual student through internet.So, it is very important for every student.
