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                     NETWORKS AROUND US                                                                       CHAPTER

                        Learning outcomes                                                                            95%

                        The student will be able to:
                           learn about computer networks.                 identify types of computer networks.
                           understand network devices.                    understand network topologies.
                           explore data communication systems.            learn about transmission media.
                           study network protocols.

                     A network is a system of interconnected nodes that exchange information, resources or services.
                     These nodes can be computers, people, organisations or places linked to enable communication

                     and interaction.
                     Networks can be classified into various types:

                       Computer networks connect devices to share data and Internet access.

                       Social networks link people for sharing information and staying connected.
                       Transportation networks connect locations through roads, railways and air routes to move
                       people and goods.

                     Overall, networks the backbone of connectivity. They improve  efficiency, support collaboration
                     and enhance interaction across technology, society, transport, and ecosystems.

                               COMPUTER NETWORKS

                     A computer network is a group of computers and other devices (such as printers, smartphones
                     and tablets) connected to share resources and information. Networks allow devices to
                     communicate with each other, share files and access the Internet. Computer networks make
                     everyday tasks easier and improve the speed and efficiency of communication.

                                                                                                  Networks Around Us   7

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