Abstract:
Computer network plays a vital role in this digital era. Once we could not think about that there
will be a device such computer which will reduce our work and will do the same work in more
effective way. As same we couldn’t think of that our data will be transfer using a network
through a computer is a few second over a million miles distance. But all these are now true and
real with the day by day development. Nothing of these came in one day. And now a day’s
people can’t only think about the device or gadgets but also to get all the facilities of these
modern devices one need to be connected with a network. And ISP organizations are those
organizations who are helping to give this service towards the consumers. People are paying
them as per their service. In the digital world Data are the most important and valuable things.
Now a day’s people are so hungry in terms of gathering information and communication.