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                      FACT       Bluetooth was named after the 10th century Danish king, Harald I Bluetooth.




                     Global Positioning System: The short form of Global
                     Positioning System is  GPS. It is a satellite-based

                     navigation system that is used to identify the ground
                     positioning of an object. It is made up of a network
                     of 24 satellites placed into orbit by the U.S.
                     Department of Defense. These are evenly spaced
                     out so that four satellites can be seen with a clear

                     line of sight from anywhere on the globe. It is used
                     for tracking mobiles, cars, etc.

                     Infrared  Communication: The  infrared light transmits  data  through the air and can
                                            propagate throughout the room by bouncing off surfaces but will not
                                            penetrate walls. This type of transmission uses infrared light to send
                                            data. These are similar to normal lights, except that they have a longer

                                            wavelength. Therefore, they are not visible to us. You can see the use
                                            of this type of transmission in everyday life: TV remotes, automotive
                                            garage doors, wireless speakers, etc. All of these make use of infrared

                                            light for transmission.


                            PROTOCOLS


                 Protocols are a set of rules that governs the communication between the computers on a network.
                 Certain network protocols and standards are to be followed in order to ensure that your computer
                 can communicate  with another computer  over a network. Some  of  the  Internet  protocols  for
                 addressing the data transmitted over the Internet are here.


                 HYPERTEXT TRANSFER PROTOCOL (HTTP)
                 HTTP stands for Hypertext Transfer Protocol. It is the set of rules or protocols that govern the

                 transfer of hypertext (webpages) between two or more computers using a standard language
                 HTML. It is the primary protocol used to exchange data between a web browser and a website.

                 HYPERTEXT TRANSFER PROTOCOL SECURE (HTTPS)

                 HTTPS stands for Hypertext Transfer Protocol Secure. It is an extension of the HyperText Transfer
                 Protocol  used  for secure  communication  over a  network.  It makes  a secure  connection  by
                 establishing an encrypting link between the browser and server, hence maintaining data integrity
                 by encrypting the data.



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