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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
A client 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 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, 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 Idea (Vi), Bharat Sanchar Nigam Limited
(BSNL), Mahanagar Telephone Nigam Limited (MTNL), 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 names to the computers, services,
or other resources connected to the network. These names are known as domain names. 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 Hypertext Markup
Language (HTML).
Computer Networking 9

