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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.

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
other pages is called a web page. Web pages are created by using the HyperText Markup Language

(HTML).

Website

A website is a collection of web pages which are interlinked to each other. A website may contain
thousands of web pages.

Web Portal

A website that is specifically designed to provide a single point of access for information is called web
portal. Web portals are also known simply as portals. The major difference between a website and a
web portal is that a portal works as a gateway to WWW and provides several services. On the other
hand, a website may provide only some limited services.

Hypertext

The text that has a special feature of connecting one web page to another is called a hypertext.

Link
A link can be defined as a web address that is used to make connectivity between web pages.

Hyperlink

A hyperlink is simply a part of the Web page that is linked to a URL. A hyperlink can appear as text,
an image or a navigational tool such as a button or an arrow. When you click on a hyperlink, you will
jump to the URL specified by the hyperlink. Hyperlinked text usually looks different from normal text in

a Web page. It is often underlined but can be formatted in a number of ways.

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