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The computer which manages the printers and documents being printed is called the print
server.
The computer which stores and provides the access to a database is called a database server.
The server which manages the network traffic is called a network server.
The computer which delivers the requested web pages to our computer is called a web
server.
Client
It is a computer which depends on the server for all the 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
web sites 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 Locator. It is the address of a website, such as www.google.com,
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, BSNL, (Bharat Sanchar Nigam Limited),
MTNL (Mahanagar Telephone Nigam Limited.), Jio, etc.
IP Address
An Internet Protocol (IP) address is an 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.
DNS
Domain Name System (DNS) is a naming system for assigning a name to the computers,
services, or other resources connected to the network. This name is known as domain name.
For example, the domain name in the www.yahoo.co.in URL is yahoo.co.in. This domain name is
internally converted into IP address.
Web Page
A single digital page on the World Wide Web (WWW) that contains information and links of
another pages is called a web page. Web pages are created by using the Hyper Text Markup
Language (HTML).
Computer Networking 9

