INTERNET

Chapter Introduction to Computer Networks . . Networks at Homes Now a day, network has become common as it facilitates communication among devices with in the close vicinity of a home. Devices in this network can be smart devices, mobile computers, network printers which are capable of interacting and thereby increase the quality of life inside home in a variety of ways like automation of repetitive tasks, increased personal productivity, enhanced home security and easier access to entertainment.

Network at home helps us to perform e-banking, e-learning, e-governance, e-health, telemedicine, call centers, video conferencing, digitalization of memories, etc. . . Mobile Networks Mobile network is the network connecting devices without cable (wireless).

Mobile computers, such as laptop, tablet, and hand held computers, were fastest growing segments. At land areas network was distributed as cells, each will be served by single – location transceiver, but generally three cell sites or a base transceiver station. This base station provides the cell with network coverage and other features that can be utilized for transmission of voice, data and other content as well. Joining together all radio coverage is called as wide geographical area.

This portable transceivers used to communicate with one another with fixed transceivers and moving via more than one cell during transmission. For example mobiles, tablets, pagers, laptops, engaged with mobile broadband just like modems etc. . .

Social Application To get connected with people around the world through social network media, applications like Whatsapp, Facebook,