The Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet. Information that travels over the Internet does so via a variety of languages known as protocols.

1. The Internet &
World Wide Web
Dr. Kamal Gulati

2. 2
The Internet
What is the Internet?
Worldwide collection of networks that connects
millions of computers

3. 3
History of the Internet
How did the Internet originate?
Became
functional
September 1969
ARPANET
Networking project by
Pentagon’s Advanced
Research Projects
Agency (ARPA)Goal:
To allow scientists
at different
locations to share
information

4. 4
History of the Internet
How has the Internet grown?
Today
More than 150 million host nodes
1969
Four host nodes

5. 5
History of the Internet
Who controls the Internet?
 No one—cit is a public, cooperative, and
independent network

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High-speed
connection
High-speed
connection
Slow-speed
technology
Slow-speed
technology
How the Internet Works
How can you connect to the Internet?
Dial-up access
modem in your
computer uses a
standard telephone line
to connect to the Internet
Dial-up access
modem in your
computer uses a
standard telephone line
to connect to the Internet
Digital subscriber line (DSL),
cable telephone Internet
services (CATV), cable modem
provide connections using
regular copper telephone lines
Digital subscriber line (DSL),
cable telephone Internet
services (CATV), cable modem
provide connections using
regular copper telephone lines
Connection is always on—
whenever the computer
is running
Connection is always on—
whenever the computer
is running
Connection must be established
each time you log on.
Slow but inexpensive
Connection must be established
each time you log on.
Slow but inexpensive

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The World Wide Web
What is the World Wide Web (WWW)?
A worldwide collection of electronic documents
Each electronic document is called a Web page
Also called the Web
Can contain text, graphics, sound, video, and animation
A Web site is a collection of related Web pages

8. 8
The World Wide Web
What is a home page?
 The first page that a Web site presents
 Often provides connections to other Web pages

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The World Wide Web
What is a Web browser?
Microsoft
Internet
Explorer
Netscape
Mozilla
 Program that allows you to view Web pages

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Menu BarMenu BarMenu BarMenu Bar
WorkspaceWorkspaceWorkspaceWorkspace
URL BarURL BarURL BarURL Bar
ToolbarToolbarToolbarToolbar
Status BarStatus BarStatus BarStatus Bar
Elements of a Web browser

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Internet Service Provider (ISP)
Internet Service Provider (ISP), is any company that
provides individuals and organizations with access to
or presence on the Internet.
E.g. Airtel, Sify, Tata, Reliance, VSNL, Idea etc.

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The World Wide Web
How can you establish a connection and start the
Web browser?
Step 2.
If necessary,
connect to the
Internet
Step 3.
Connection to the
Internet occurs, and a
home page displays
Step 1.
Click the Web browser
program name

13. 13
The World Wide Web
What is downloading?
 The process of a computer receiving information
 The transmission of information from a local computer
to a remote computer is called Uploading.

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The World Wide Web
What is a URL?
Unique address for a
Web page

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The World Wide Web
What is a hyperlink (link)?
 Item found elsewhere
on same Web page
 Different Web page
at same Web site
 Web page at a different
Web site
 Built-in connection to another related
Web page location

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The World Wide Web
How can you recognize links?
 A link can be text
or an image
 Pointer changes to a small hand
when you point to
a link
 Text links are
usually underlined
and in a different
color

17. 17
The World Wide Web
What is a search engine?
 Program used to find
Web sites and Web
pages by entering
words or phrases
called search text
 Also called a keyword

18. 18
The World Wide Web
What is a portal?
 A Web site that offers a variety of services from one,
convenient location, usually for free
 E. g. Yahoo

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The World Wide Web
What is multimedia?
 Application integrating text with other media elements
 Graphics
 Animation
 Audio
 Video

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The World Wide Web
What is animation?
 Appearance of motion created by
displaying a series of still images
in sequence

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The World Wide Web
What is audio?
 Music, speech, or any other sound
 Common Web audio file formats are
MP3, WAV, WMA (Windows Media
Audio), MPEG, RealAudio, and
QuickTime

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The World Wide Web
What is streaming audio?
 Transfers data in a
continuous and even flow
 Enables you to listen
to the sound as it
downloads to your
computer.

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Other Internet Services
What are some services found on the Internet?
4. Chat
(4)
(1)
1. E-mail
(2)
2. Web
(3)
3. Message board
(5)
5. File transfer
(6)
6. Instant messaging

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Other Internet Services
What is e-mail?
 Short for electronic mail
 The transmission of messages and files via a computer
network
 Messages can consist of simple text or can contain attachments,
such as documents, graphics, or audio/video clips
 Internet access providers usually provide an e-mail program
 Some Web sites—such as MSN Hotmail and Yahoo!—provide
free e-mail services

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Other Internet Services
How do you send an e-mail message?
Step 1.
Start an e-mail
program
(Microsoft
Outlook, for
example)
Step 2.
Click the New Mail Message button
Step 3.
Enter the recipient’s
e-mail address, the
subject, and the
message
Step 4.
Click the Insert file button if
you want to attach a picture, for
example, and click Send
Step 5.
The recipient opens the
message

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Other Internet Services
What is an e-mail address?
 Unique name that consists of a user name and domain
name that identifies the user

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Other Internet Services
What is a chat?
 Real-time typed conversation
that takes place on a computer
 Chat room is location on
server that permits users
to discuss topics of interest

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Other Internet Services
What is FTP?
 File Transfer Protocol—Internet standard that allows
you to upload and download files with other computers
on the Internet

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Other Internet Services
What are newsgroups and message boards?
 Newsgroup
 Many Web sites use
message boards
because they are
easier to use
 Online area where users discuss a particular subject
 Message board
 Type of discussion group

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Other Internet Services
What is a mailing list?
 Group of e-mail
addresses given a single
name
 When a message is sent
to the mailing list,
everyone on the list
receives the message
 To add your name to a mailing list
you must subscribe to it; to remove
your name you must unsubscribe

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Other Internet Services
What is instant messaging (IM)?
 A real-time Internet communications service that notifies you when
one or more people are online and allows you to exchange messages or
files

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Business to business (B2B)
Business providing goods and
services to other businesses
Consumer to consumer (C2C)
One consumer sells directly to another
Electronic Commerce
What is e-commerce?
Business to consumer (B2C)
Sale of goods to general public
 Short for electronic commerce
 Business transaction that occurs over
the Internet

33. LAN - Local Area Network
WLAN - Wireless Local Area Network
WAN - Wide Area Network
MAN - Metropolitan Area Network
SAN - Storage Area Network, System Area
Network, Server Area Network, or
sometimes Small Area Network
CAN - Campus Area Network, Controller Area
Network, or sometimes Cluster Area
Network
PAN - Personal Area Network
DAN - Desk Area Network
33

34. Dr. Kamal Gulati
Associate Professor |
University Quality Support Head |
Mentoring Programme Coordinator
[Ph. D., M.Sc. (Computer Science), M.C.A., M.B.A]
Professional Certifications:
Certified Microsoft Innovative Educator
Data Science 101 Certification from Big Data University
R Language 101 Certification from Big Data University
SQL Certification from SOLOLEARN.com
Certified IBM Big Data 101 from Big Data University
R Program & Python Certified from DataCamp
Wiley Certified Big Data Analyst [WCBDA]
Certification on DBMS from IIT Mumbai
Certified Cisco Certified Network Associate [CCNA]
Certified Microsoft Certified Professional [MCP]
Certified Brainbench in Computer Fundamentals, Microsoft Access, MySQL 5.7 Administration &
Microsoft Project

35. Worked as Visiting Professor with Stratford University, USA for six months
from Jan’2016 to June’2016.
Also worked at Bahrain University in Kingdom of Bahrain Sr. I.T. Faculty
(Computer Science Department) for Period of 2 Years.
Have rich experience in the field of teaching and research in Computer Science
and Information Technology for almost 15+ years in Academia.
Having experience of working with both private and public institutions and
universities as the lecturer and self-instruction material writer for Information
Technology courses.
Had number of research papers published in national and international journals
and conference proceedings in IEEE and Scopus Index.
Also chaired various National and International Conferences of repute and
associated with various International Journals as Editorial Board Member for
International and National, Academic Adviser and Research Paper Reviewer.
My current area of interest: Big Data Analytics, R Software, Management
Information System, IT Project Management, Decision Support System,
Business Analytics, Database Management System, Data Networking and
Advanced Excel with Visual Basic Macros.
Country Visited: USA, Canada, UK, UAE, Bahrain, Oman (Mostly for Teaching
and Research Purpose)
Profile of Dr. Kamal Gulati

36. Technical Program Committee for International Conference on Data, Engineering and Applications
2017 (IDEA-2k17) which would be on October 28-29, 2017 at Bhopal. http://www.ideaconference.in
Advisory Board Committee Member for International Conference on Energy, Communication,
Data Analytics and Soft Computing (ICECDS) which would be on 1-2 August 2017 at SKR
Engineering College, Poonamallee, Tamil Nadu, India. http://ecds.org.in
Advisory Committee Member for International Conference on Innovative Research in Engineering
and Science which would be on 16-17 June 2017 at Asian Institute of Technology Conference
Center Thailand. http://www.iresconf.org
Advisory Committee Member for International Conference on Cloud Computing and Internet of
everything which held on 10-11 Feb’2016 at Delhi-NCR. http://www.ccioet.org
Technical Committee member for InCITe-2016 (International Conference on Information
Technology) Theme - Internet of Things: Connect Your Worlds, IT Summit, Amity University 2016
which held on 06-07 Oct, 2016. http://www.amity.edu/incite2016
Technical Speaker for Global perspective on IT business “The Changing Scenario” – Big Data on
International Students Conference New Delhi (ISCND) which held on 14-15 Oct, 2016
http://iscnd.com
Advisory Committee Member for International Conference on Sustainable Computing Techniques
in Engineering, Science and Management which has held on 09-10 Sep’2016 at Delhi-NCR.
http://www.scesm.org
Technical Program Committee Member for Program Committee Member for International
Conference on Recent Trends IN ICT, Jaipur, India, Aug 18-19, 2017 http://rtict.org
Program Committee Member for International Conference on Recent Advancement in Computer
and Communication Bhopal, India, (IC-RAC-2017) May 26-27, 2017 http://www.icrac.co.in
Profile Contd….

37. Editorial Board member for the following International
Journals:
 International Journal of Computer Science and Innovation
http://www.infinitysciences.org
 International Journal of Latest Research in Engineering and Technology
http://www.ijlret.com
 International Journal of Latest Trends in Engineering and Technology
http://www.ijltet.org
 International Journal of Application or Innovation
in Engineering & Management http://www.ijaiem.org
 International Journal for Management http://www.ijm-apm.com
 ITM International Journal of Innovations in Science, Engineering &
Management www.iijisem.org
 The International Journal of Emerging Engineering and Embedded
Systems http://www.ijeees.org
 Conference Info http://conferenceinfo.org/tpc.php
 International Journal of Computer Engineering in Research Trends
(IJCERT) http://www.ijcert.org
Expert Speaker for Program “Insurance Beyond Doubt” Presented by Oriental
Insurance Co Ltd. https://www.youtube.com/watch?v=GrvJkN_Zn3Q
Profile Contd….

38. BOOK, CHAPTER, and CASE STUDY Published
Published Book on “A Study of Changing Trends in E-CRM
of Indian Insurance Industry” Published by LAP Lambert
Academic Publishing, one of the top researchers and
renowned scientists of Germany with ISBN: 3330009543,
9783330009547. The Book available at Amazon.com.
Published Real Case Study on “IoT Security Considerations
for Higher Education” published on Business Cases -
RENVOI 2017 BOOK (The Case Centre, UK) with ISBN:
978-1-4828-8840-9, Page 63-70. The Book available at the
various online website: Amazon, AbeBooks, Chegg, Barnes
& Noble.
Published Chapter on "Role of eWorld in Insurance
Innovation" Published by Insurance Institute of India (III),
60 Years Diamond Jubilee, Compendium, Nov 2016 –
(Magazine) – One of the premium Insurance Institute of
India.

39. Contact Details
Email : drkamalgulati@gmail.com
Website : http://mybigdataanalytics.in
LinkedIn : https://in.linkedin.com/in/drkamalgulati