52 :: Computer and Office Applications
3
INTRODUCTION TO INTERNET
3.1 INTRODUCTION
In the present age of information Technology, use of Internet
is becoming quite popular for accessing information on any
topic of your interest. It also provides tremendous opportunities
to students, researchers and professionals for getting
information on matters related to academic and professional
topics and lot more. In the present world, most of the people
who have computers around themselves use Internet to
access information from the World Wide Web, exchange
messages & documents and e-services.
3.2 OBJECTIVES
After going through this lesson, you would be able to:
explain various terminology used in internet
use various services provided by internet
search the desired information over internet
define e-mail and its various features
explain the process of downloading file.
3.3 INTERNET
The Internet is a global system of interconnected computer
networks that use the standard Internet protocol suite (TCP/
IP) to serve billions of users worldwide. It is a network of
networks that consists of millions of private, public, academic,
business, and government networks, of local to global scope,
, Introduction to Internet :: 53
that are linked by a broad array of electronic, wireless and
optical networking technologies. The Internet carries a vast
range of information resources and services, such as the inter-
linked hypertext documents of the World Wide Web (WWW)
and the infrastructure to support electronic mail.
3.3.1 Uses of Internet
Internet has been the most useful technology of the modern
times which helps us not only in our daily lives, but also our
personal and professional lives developments. The internet
helps us achieve this in several different ways.
For the students and educational purposes the internet is widely
used to gather information so as to do the research or add to
the knowledge of various subjects. Even the business
professionals and the professionals like doctors, access the
internet to filter the necessary information for their use. The
internet is therefore the largest encyclopedia for everyone, in
all age categories. The internet has served to be more useful in
maintaining contacts with friends and relatives who live abroad
permanently.
3.3.2 Advantages of Internet:
E-mail: Email is now an essential communication tools in
business. With e-mail you can send and receive instant
electronic messages, which works like writing letters. Your
messages are delivered instantly to people anywhere in
the world, unlike traditional mail that takes a lot of time.
Email is free, fast and very cheap when compared to
telephone, fax and postal services.
24 hours a day - 7 days a week: Internet is available,
24x7 days for usage.
Information: Information is probably the biggest advantage
internet is offering. There is a huge amount of information
available on the internet for just about every subject,
ranging from government law and services, trade fairs and
conferences, market information, new ideas and technical
support. You can almost find any type of data on almost
any kind of subject that you are looking for by using search
engines like google, yahoo, msn, etc.
, 54 :: Computer and Office Applications
Online Chat: You can access many ‘chat rooms’ on the
web that can be used to meet new people, make new friends,
as well as to stay in touch with old friends. You can chat
in MSN and yahoo websites.
Services: Many services are provided on the internet like
net banking, job searching, purchasing tickets, hotel
reservations, guidance services on array of topics engulfing
every aspect of life.
Communities: Communities of all types have sprung up
on the internet. Its a great way to meet up with people of
similar interest and discuss common issues.
E-commerce: Along with getting information on the
Internet, you can also shop online. There are many online
stores and sites that can be used to look for products as
well as buy them using your credit card. You do not need
to leave your house and can do all your shopping from the
convenience of your home. It has got a real amazing and
wide range of products from household needs, electronics
to entertainment.
Entertainment: Internet provides facility to access wide
range of Audio/Video songs, plays films. Many of which
can be downloaded. One such popular website is YouTube.
Software Dow nload s: You can fre ely download
innumerable, softwares like utilities, games, music, videos,
movies, etc from the Internet.
3.3.3 Limitations of Internet
Theft of Personal information: Electronic messages sent
over the Internet can be easily snooped and tracked,
revealing who is talking to whom and what they are talking
about. If you use the Internet, your personal information
such as your name, address, credit card, bank details and
other information can be accessed by unauthorized
persons. If you use a credit card or internet banking for
online shopping, then your details can also be ‘stolen’.
Negative effects on family communication: It is generally
observed that due to more time spent on Internet, there is
a decrease in communication and feeling of togetherness
among the family members.
3
INTRODUCTION TO INTERNET
3.1 INTRODUCTION
In the present age of information Technology, use of Internet
is becoming quite popular for accessing information on any
topic of your interest. It also provides tremendous opportunities
to students, researchers and professionals for getting
information on matters related to academic and professional
topics and lot more. In the present world, most of the people
who have computers around themselves use Internet to
access information from the World Wide Web, exchange
messages & documents and e-services.
3.2 OBJECTIVES
After going through this lesson, you would be able to:
explain various terminology used in internet
use various services provided by internet
search the desired information over internet
define e-mail and its various features
explain the process of downloading file.
3.3 INTERNET
The Internet is a global system of interconnected computer
networks that use the standard Internet protocol suite (TCP/
IP) to serve billions of users worldwide. It is a network of
networks that consists of millions of private, public, academic,
business, and government networks, of local to global scope,
, Introduction to Internet :: 53
that are linked by a broad array of electronic, wireless and
optical networking technologies. The Internet carries a vast
range of information resources and services, such as the inter-
linked hypertext documents of the World Wide Web (WWW)
and the infrastructure to support electronic mail.
3.3.1 Uses of Internet
Internet has been the most useful technology of the modern
times which helps us not only in our daily lives, but also our
personal and professional lives developments. The internet
helps us achieve this in several different ways.
For the students and educational purposes the internet is widely
used to gather information so as to do the research or add to
the knowledge of various subjects. Even the business
professionals and the professionals like doctors, access the
internet to filter the necessary information for their use. The
internet is therefore the largest encyclopedia for everyone, in
all age categories. The internet has served to be more useful in
maintaining contacts with friends and relatives who live abroad
permanently.
3.3.2 Advantages of Internet:
E-mail: Email is now an essential communication tools in
business. With e-mail you can send and receive instant
electronic messages, which works like writing letters. Your
messages are delivered instantly to people anywhere in
the world, unlike traditional mail that takes a lot of time.
Email is free, fast and very cheap when compared to
telephone, fax and postal services.
24 hours a day - 7 days a week: Internet is available,
24x7 days for usage.
Information: Information is probably the biggest advantage
internet is offering. There is a huge amount of information
available on the internet for just about every subject,
ranging from government law and services, trade fairs and
conferences, market information, new ideas and technical
support. You can almost find any type of data on almost
any kind of subject that you are looking for by using search
engines like google, yahoo, msn, etc.
, 54 :: Computer and Office Applications
Online Chat: You can access many ‘chat rooms’ on the
web that can be used to meet new people, make new friends,
as well as to stay in touch with old friends. You can chat
in MSN and yahoo websites.
Services: Many services are provided on the internet like
net banking, job searching, purchasing tickets, hotel
reservations, guidance services on array of topics engulfing
every aspect of life.
Communities: Communities of all types have sprung up
on the internet. Its a great way to meet up with people of
similar interest and discuss common issues.
E-commerce: Along with getting information on the
Internet, you can also shop online. There are many online
stores and sites that can be used to look for products as
well as buy them using your credit card. You do not need
to leave your house and can do all your shopping from the
convenience of your home. It has got a real amazing and
wide range of products from household needs, electronics
to entertainment.
Entertainment: Internet provides facility to access wide
range of Audio/Video songs, plays films. Many of which
can be downloaded. One such popular website is YouTube.
Software Dow nload s: You can fre ely download
innumerable, softwares like utilities, games, music, videos,
movies, etc from the Internet.
3.3.3 Limitations of Internet
Theft of Personal information: Electronic messages sent
over the Internet can be easily snooped and tracked,
revealing who is talking to whom and what they are talking
about. If you use the Internet, your personal information
such as your name, address, credit card, bank details and
other information can be accessed by unauthorized
persons. If you use a credit card or internet banking for
online shopping, then your details can also be ‘stolen’.
Negative effects on family communication: It is generally
observed that due to more time spent on Internet, there is
a decrease in communication and feeling of togetherness
among the family members.
