Page 106 - Computer - 4

Knowledge Discovery Subject Enrichment

Each URL ends with a combination of two or three letters. This is called the URL Extension
of a website. It gives us information about the type of website. Some common URL
extensions are:
.com — commercial website .edu – educational website .mil — military website
Sometimes extensions represent the country where the website is registered. For example:

.au — Australia .ca — Canada .fr – France .in – India .uk — U.K. (Britain)

5. Hyperlink

A Hyperlink, or a Link, is a shortcut for the URL of a webpage. It lets you move
directly from one web page to another. A hyperlink usually appears as text
that is underlined and in a different colour from the regular text on the web

page. The mouse pointer changes to a hand symbol when it is moved on a
hyperlink. When you click the hyperlink, the related web page loads into your
web browser automatically.

Knowledge Discovery Subject Enrichment

A hyperlink may also be in the form of an image. Image-based hyperlinks help the user
relate to the content of the related web page.

6. World Wide Web (WWW)
The World Wide Web (WWW) is a collection of billions of interlinked web pages

that cover millions of topics contained on the Internet. WWW provides an
easy way to search for information using the URLs of web pages and websites.

7. Web Browser
A Web Browser is a software used to access and view websites on the World
Wide Web. Some common web browsers include Microsoft Edge, Google
Chrome, Mozilla Firefox, and Opera.

Microsoft Edge Google Chrome Mozilla Firefox Opera

8. Surfing
Net surfing, or web browsing, is the act of moving from one web page to

another using hyperlinks and URLs for the web pages. To surf the internet, you
must have a computer with a web browser and an active internet connection.

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