Internet

                                            Internet

DEFINITION AND HISTORY

• The Internet is a network of computers which links many different types of computers all over the world.
• ARPANET was the first WAN and had only four sites in 1969.
• in 1989, the U.S government lifted restrictions of the use of Internet, and allow its usage for commercial purpose as well.

Basics service of the Internet

• Electronic Mail (E-Mail) 

          Using IM (Instant Messaging) Software- Allow user to send a mail to another internet user in               any part of the world in a near -real-time manner.

• File Transfer Protocol (FTP) 

         Allow user to move a file from one computer to another computer on Internet.

Instant Messaging Software (IM)

INSTANT MESSAGING SOFTWARE

FILE TRANSFER PROTOCOL (FTP)

SOCIAL NETWORKING 

Social Networking has been making a great impact on our life.

WWW BROWSERS
To use a computer as a web client, a user needs to load it a special software tool known as WWW.

Internet Search Engines

• Internet search Engine is an application ,which help users to locate web sites containing useful information and references to search information.
• Results enables the users to locate the requested quickly from the last ocean of information available on the Internet.
• The search engine then searches the requested information on the WWW and returns the result to the user.

SOME POPULAR INTERNET SEARCH ENGINES