Basic HTML Version

|  | Table of Contents |  | View Full Version

Page 10 - 2632_CodeMind
P. 10

    Message: A message is the information or data that needs to be transferred from one computer to
                       another.

                       Protocol: A protocol is a set of standard rules used for communication.

                            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 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

                     that 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 Locator. 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, Vi (Vodafone Idea), BSNL (Bharat Sanchar Nigam Limited),
                     MTNL (Mahanagar Telephone Nigam Limited.), Jio, etc.

                          IP Address

                     An Internet Protocol (IP) address is a unique identification number assigned to a computer connected
                     to a network. It has two main functions: host or network interface identification and location addressing.
                     IP addresses are written and displayed in human-readable notations, such as 172.16.254.1.

                                                                                                  Computer Networking  9

| 5 6 7 8 9 10 11 12 13 14 15 |