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CHAPTER
            NETWORKING CONCEPTS                                                                        1





















                              Hey, Techie, I want to know about
                              the evolution of networks. How           Topics Covered                      95%
                              did  technology  take  over our             Computer Network
                              lives and became a necessity?               Need for Computer Networking
                                                                          Components of a Network
                                                                          Requirements for Computer Networking
                                                                          Network Terminologies
                                                                          Types of Networks
                                                                          Network Architecture
            Shweta, if we look back over the past few decades,            Topologies
            before any one of us ever touched a computer                  Networking Transmission Media
                                                                          Protocols
            or was connected  to  the Internet, networking
            meant  going out  to  meet  some  friends and
            having a conversation. The notes they took were the databases and servers. The
            data people wanted to share were their dreams, curiosities and memories, and this

            data was transmitted by writing in each other’s notebook and passing it from one
            hand to another.



                              That sounds like an interesting time to live in but it’s so different from today
                              where everything is just a click away.





            Then, humans took a giant leap and computers were developed for an individual
            to work on his/her own machine. But as the usage increased, it was observed that
            although computers offered computation power to their users, they could not suffice

            all their needs because applications often demanded exchange of data between
            several such users. Thus, the idea of linking two machines together that can share
            information, emerged.







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