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    NETWORK TERMINOLOGIES

                     There are several terms related to computer network. Let us discuss some of them.

                     SERVER

                     A server is also called host computer. It controls the access to the hardware and software on the
                     network. It provides a centralised storage area for the programs, data and information.

                       The server that performs a specific task is called a dedicated server.
                       The server that manages the printers and documents being printed is called the print server.
                       The server that stores and provides the access to a database is called a database server.
                       The server that manages the network traffic is called a network server.

                       The server that delivers the requested web pages to our computer is called a web server.

                     CLIENT

                     It is a computer which depends on the server for specific resources. For example, a server might
                     store a network version of an Excel program. Every client on the network can access the Excel
                     program from the server.

                     INTERNET

                     Internet is a global network of millions of computers and computer networks all over the world.
                     It allows us to access and share information over the network. The Internet contains billions of
                     websites to provide information.

                     INTRANET
                     A computer network that is used for sharing information, devices and other computing services
                     only within an organisation is called Intranet.

                     URL

                     It stands for Uniform Resource Locater. It is the address of a website like www.google.com and
                     www.rediffmail.com.

                     ISP
                     It stands for Internet Service Provider. It is a company that provides Internet access on payment

                     of a monthly fee. Some of the ISPs are Airtel, Vodafone Idea (VI), Bharat Sanchar Nigam Limited
                     (BSNL), Mahanagar Telephone Nigam Limited (MTNL), Jio, etc.

                     IP ADDRESS
                     An  Internet Protocol  (IP)  address  is a unique  identification  number assigned  to  a computer
                     connected to a network.

                                                                                                  Networking Concepts  11

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