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Unlike smaller networks, such as LANs, WANs do not necessarily require  direct physical
                  connections between all devices. Instead, they use a variety of transmission mediums, including

                  telephone lines, microwave links, satellite connections, and fibre optic cables, to facilitate data
                  transfer over long distances.






                        LAN                      LAN                                 LAN                      LAN










                                                      LAN                       LAN



                  Personal Area Network (PAN)

                  PAN is a small-scale network designed for the personal use of an individual or a small group of
                  users within a very limited area, typically within a range of a few meters (20 to 30 feet). Devices
                  such as smartphones, tablets, laptops, printers, and other personal gadgets connect to PANs to
                  enable data sharing and communication.






























                                                                                   Like rivers flowing through
                         Boost Bits                                             landscapes, data on the internet

                    The  concept  of  a  PAN  was  first  introduced  by       travels across networks in streams
                    Thomas Zimmerman at M.I.T.'s Media Lab. It was                       of information.
                    later supported by IBM's Almaden research lab.






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