Internet ,merits demerits, features

2. Introduction
Internet has been perhaps the most outstanding
innovation in the field of communication in the
history of mankind. It is the world’s largest computer
network, the network of networks. The internet may
be defined as a global collection of computers linked
together by telephone lines, radio or satellite links. It is
an effective and inexpensive way of communication.
The internet is therefore, a giant global network. It is
in fact an amorphous collection of networks and
millions of computers across the globe.

3. Internet terminologies
 World Wide Web(WWW)
 Internet Service Provider(ISP)
 Servers
 Browsers
 Protocols
 HTML
 SEARCH ENGINE: They are the special websites that
provide facility to internet users to search information
on the internet. Google , yahoo etc. are examples of
search engine.

4.  MODEM: The word modem is derived from
modulator /demodulator . This is used to connect
the computer with the outside world. A modem
is a computer peripheral that allows to connect
and communicate with computers via telephone
lines. Modem converts digital data to analog data
and vice versa over the telephone network.

5. Features of internet
 Simplicity
 Economy
 Flexibility of communications
 Speed and availability
 Accessibility
 Resource sharing
 Security
 Synergy with other media

6. internet services
 Electronic mail (e-mail)
 Net news
 File Transfer Protocol(FTP)
 Telnet
 Online chat
 Usenet
 Various entertainments
 Social networking medias
 Searching

7. ADVANTAGES
 Sharing information
 Communication
 Entertainment
 Advertisement
 News
 Customer support and service
 Feedback from users
 Collection of information

8. disadvantages
 Viruses
 Theft of personal information
 Immorality
 Wastage of times
 Pornography
 Spamming
 Language problems

9. CONCLUSION
The internet, a group of worldwide
information highway and resources, is enabling
the world to become truly an information society.
Anyone can open an account with any Internet Service
Provide (ISP) who will provide an Account Number for
a monthly fee. The user can access the Internet and
avail any Internet service like e-mail , chatting ,
searching etc.

10. Thank you