The presentation deals with Introduction to Internet

1. Introduction to InternetIntroduction to Internet
ByBy
Dr. Pravin H. GhosekarDr. Pravin H. Ghosekar
M.Sc.(C/S), MCM, DBM, M.Phil(IT), M.Phil(Comm), MBA, BJ. Ph.D.M.Sc.(C/S), MCM, DBM, M.Phil(IT), M.Phil(Comm), MBA, BJ. Ph.D.
HOD Computer DepartmentHOD Computer Department
Dhanwate National CollegeDhanwate National College
NagpurNagpur
08/10/201008/10/2010

2. Internet
• Internet can be defined as International network
of computers, i.e. across the globe.
• It is a network of networks i.e. it can be taken as a
network which connects networks across the world.
• Internet is nothing but a network of LAN’s using
WAN’s.
• Internet connects all open systems which are
unrestricted for connectivity, so that they will be
able to inter operate, share data, share resources,
etc.

3. Uses of Internet
77%
54%
50% 46% 44%
38%
25% 23%
13%
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
1 2 3 4 5 6 7 8 9
1. Information collection
2. Collaboration with others
3. Provide vendor support & communications
4. Research Competitors
5. Communicate internally
6. Provide customer service & Support
7. Publish information
8. Purchase products or services
9. Sell Products or services

4. ISP (Internet Service Provider)
• Internet Service Provider also known as Internet Access
Provider is an organization or a company which provides the
Internet Access to various users.
• ISP can also offer value added services like providing Video
Conferencing, Electronic Data Interchange (EDI), etc.
ISP in India
• Government organisation - VSNL, ERNET, BSNL, NICNET
• Private organisations - Satyam Online, Dishnet, HCL, Webduniya,
Reliance, Tata, MTS, etc

5. Type of Internet Connections
• Dial-up : : Dial-up connection enable user to have accounts on the
internet access providers computers. A user can dial ISP by using
modem through telephone line to gain access to internet.
i. Shell ii. TCP/IP
• ISDN (Integrated Services Digital Network) : is a high-
speed, fully digital telephone service. Just as compact discs have
made recorded musical digital; ISDN upgrades today’s analog
telephone network to a digital system. ISDN can operate at speeds
up to 128 kilobits/second, which is five or more times faster than
dial-up analog modems
• Broadband : The term broadband refers to a telecommunications
signal of greater bandwidth. The Broadband service will be available
on DSL technology (on the same copper cable that is used for
connecting telephone).
• Leased Line : It is sometimes known as a 'Private Circuit' or 'Data
Line‘.

6. WWW (World Wide Web)
• World Wide Web (WWW) or the Web is
repository of information spread all over the world
and linked together.
• In this, information is stored in a set of
documents, these documents are linked together.
• A reader who browses through a document can
move to other documents by clicking the items
that are linked to other documents.
• Tim Berners-Lee, of Switzerland, developed the
concept of WWW in 1989.

7. Web Page and Website
• Web page is a hyper text document on the web.
The web page is a electronic sheet on net.
• It is a single file of a web site.
• Softwares for Website Quicksite, Microsoft
Frontpage, , Macromedia Dreamviewer, etc.
• Languages : HTML language or other languages
like Java, , .NET, Coldfusion, etc.
• Web site is a collection of Web pages that are
linked with each other to form one single body
of information.
• Web pages are collectively stored on at specific
locations or net which is known as Web server.
• Portal
• Search Engine : are websites which search data or
sites from Internet Ex. www.googl.com, www.altavista.com,

8. Internet Terminologies
• HyperLink : Represent differnet location in
current location.
• URL (Uniform Resource Locator) : It is website
address with link
• Domain Name : is Web Address Browser :
Software for accessing Internet
(Ex. Internet Explorer, Netscape Navigator,
Mozila Firefox, Google Corme, Opera.)
• Domain Code :
.com - commercial , .biz - business
.in - india (country ) .net - network provider
.info - informational .org -organsiation
.edu - educational
.gov - government agency .mil - military organization

9. E-Mail
• E-mail stands for electronic mail.
• It is a plain-text messaging system.
• E-mail account is must for sending and receiving E-mail
• E-mail service provider provide e-mail facility Ex. Rediff, gmail,
yahoo, in.com, times, sify, hotmail, etc
E-mail address
Header
Message
Signature

10. E-Commerce
• E-commerce means buying and selling of goods
and services over the Internet
• B2B
• B2C
• C2C
E-Business
• Electronic business, commonly referred to as
"eBusiness" or "e-business", may be defined as
the utilization of information and
communication technologies (ICT) in support of
all the activities of business.

11. E-Learning
• E-learning comprises all forms of electronically
supported learning and teaching. The
Information and communication systems,
whether networked or not, serve as specific
media to implement the learning process.
• LMS (Learning Management System)
• CBT (Computer Based Training)
E-Governance
• Creating a comfortable, transparent, and cheap
interaction between government and citizens
Examples

12. EDI
• The term Data refers to collection of facts
made up of numbers, characters and symbols
stored on computer in standard format known
as document.
• The term interchange refers to exchange of
one document or for another document.
• EDI means the electronic exchange of business
documents (data) in a computerized standard
format which is universally accepted between
two trading partners.
• In simple words EDI refers to paperless
trading.

13. Data Mining
• Data mining is the process of extracting
patterns from data
Data Warehousing
• Data warehouse is a repository of an
organization's electronically stored data. Data
warehouses are designed to facilitate reporting
and analysis

14. Neural Network
• Artificial neural networks are made up of
interconnecting artificial neurons (programming
constructs that mimic the properties of
biological neurons).
• It is used to gain an understanding of biological
neural networks or for solving artificial
intelligence problems

15. MANET (Mobile Adhoc Network)
• A mobile ad hoc network (MANET), sometimes
called a mobile mesh network, is a self-
configuring network of mobile devices
connected by wireless links.
• Each device in a MANET is free to move
independently in any direction, and will
therefore change its links to other devices
frequently.
• Such networks may operate by themselves or
may be connected to the larger Internet.
• MANETs are a kind of wireless ad hoc networks
that usually has a routeable networking
environment

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