The goal of this app is to help all those students and IT professionals who are new to the field of computer science and IT and are trying to understand new subjects. Here you have been provided tutorials of all the subjects related to computer science and IT tutorials streams in Hindi. In this all the tutorials are given in Hindi. In Hindi you can understand easily and quickly. Contents: Network OSI Model Ethernet Hubs Switches Layer 2 Switching Routers Router Components Routing Addressing IP