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It provides a way to connect and exchange information between devices such as mobile phones,
                  telephones, laptops, printers, personal computers, GPS receivers (Global Positioning System)

                  through 2.4 GHz short range radio frequency bandwidth.


                         PROTOCOL


                  Protocol is 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.

                  Different types of protocols used for different operations on the Internet are as follows:

                      HTTP - Hyper Text Transfer Protocol: It is a set of rules that defines how the Web pages transfer
                    information like document, file, image, video between computers over Internet.

                      HTTPS  -  Hyper Text Transfer  Protocol  Secure: It is secure  version of HTTP.  The  information  is
                    converted into code to prevent unauthorised access. Nowadays, most of the websites uses the
                    HTTPS protocol instead of HTTP.

                      FTP - File Transfer Protocol: It is a set of rules that allows file uploading and downloading from the
                    other computers over the Internet.

                      TCP/IP - Transmission Control Protocol/Internet Protocol: It is a network protocol that defines

                    how the information or messages are routed from one end of a network to the other.
                      POP3 - Post Office Protocol Version 3: It is an Internet standard protocol that allows e-mail clients
                    to retrieve e-mail messages from an e-mail server.

                      IMAP - Internet Message Access Protocol: It is an e-mail protocol that stores e-mail messages on
                    a mail server and allows the user to view, access and manipulate the messages on the mail server
                    from their computer.

                      SMTP - Simple Mail Transfer Protocol: It is an e-mail protocol for sending e-mail messages across
                    the Inter


                               Let’s CatCh uP

                          Write the full forms of the following:

                          1.  HTTPS-    ________________________________________________________

                          2.  IMAP-     ________________________________________________________

                          3.  FTP-      ________________________________________________________
                          4.  TCP/IP-    ________________________________________________________








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