The document discusses the internet, web browsers, and search engines. The internet is a global network of computers connected by phone lines, fiber optics, satellites, and wireless connections that allows users to access information stored on servers. Web browsers like Internet Explorer, Firefox, and Chrome act as interfaces that allow users to view and search web pages. Popular search engines like Google, Yahoo, and Bing allow users to search for websites on particular topics using keywords.

1. Internet, Web Browser,
Search Engines
BY Ansar Riaz

2. Internet
Internet is a large collection of computers all
over the world that are connected to one
another. It is a global network of
computers. These computers are
connected through different
telecommunications links like:
• Phone lines
• Fiber optics lines
• Satellites and wireless connections

3. Remain Part
Internet is used to fine information stored on
the computer called hosts or servers.
These computers use a common protocol
called TCP/IP for communication. TCP/IP
stands for Transmission Control
Protocol/ Internet Protocol. Each
computer connected to the internet can act
as host. A host computer provides
information to the people.

4. Remain Part
People can find information about books,
Magazines, encyclopedia and other types
of internal on the internet. They can get
expert opinions on any topic. They can
also communicate with world community
on different subjects. The internet has
made this world a global village.

5. Web Browsing
Web browsing is a process of searching
information on the World Wide Web. A
software used to search and view web page
is known as web browser. A web acts as an
interface between the user and the internet. It
can display text and graphics.
The browser contacts a web server and sends
a request for the required information. The
web server searches for the requested web
page and sends it to the web browser.

6. Popular Web Browsing
• Internet Explorer
• Mozilla Firefox
• Google Chrome
• Opera
• safari

7. Search Engine
Search engine is a website that provides the
facility to find the required websites on a
particular topic. A user can search any
topic on internet using search engines.
Internet contains a lot of information. A
large number of websites about different
topics are available. A user cannot
remember all websites. He can search
different websites using search engines.

8. Searching information using
Search Engine
Keywords are used to search the required
information form search engine.
Keywords is a word or set of works that is
related to the topic being searched. The
keyword is typed on double quotation if it
consists of two or more words.

9. Most Popular Search Engine
• Google
• Yahoo
• Bing
• Ask
• Excite
• msn