a simple presentation about internet 2016/11/06

1. CEI
CG

2. The Internet is a worldwide, publicly accessible network of
interconnected computer networks that transmit data using
the standard Internet Protocol (IP).
It’s a worldwide network of computers that allows the
"sharing" or "networking" of information at remote sites
from other academic institutions, research institutes, private
companies, government agencies, and individuals.
It allows people to send and receive data wherever they are
in the world if they have internet access
Everyone will find that they use the internet in one way or
another, whether it is to research some information or
simply talk to friends
Today, the Web and the Internet allow connectivity from
literally everywhere on earth—even ships at sea and in outer
Introduction

3. • The internet first came about in February 1958 in America
• A man named JCR Licklider saw universal networking as a potential unifying
revolution.
• He envisioned a globally interconnected set of computers through which everyone
could quickly access data and programs from any site.
• Leonard Kleinrock at MIT published the first paper on packet switching theory in
July 1961 and the first book on the subject in 1964.
• The internet began to grow rapidly in the 1970’s as the knowledge of networking
was growing more and more rapidly.
• It expanded further in the 1980’s as the general public were becoming more
aware of it.
• The general public gained access to the Internet on July 16, 1986 when the first
Freenet came on-line in Cleveland in the U.S.
• Between 1987 and 1988 the number of hosts increased from 10,000 to 60,000
• With the development of the World Wide Web (WWW) in 1991, there was no
stopping the rapid expansion of the Internet.
• People only had to download a WWW browser in order to access the info on
millions of websites. Countries around the world joined the Internet and
registered their two-letter domain names, e.g. ca for Canada.
• The most important development was in 1993 was the release of the first graphic
History

4. • In 1994 the first junk e-mail or "spam" was sent out this year. The
first shopping malls also appeared along with Internet radio
stations (mainly rebroadcasting) and the first cyber bank.
• In 1998, the Internet continued to grow, with thousands of new
subscribers every day joining the millions already subscribed.
History

5. In 1989, Sir Tim Berners-Lee invented the World Wide Web which
commonly known as "the web "is a system of interlinked
hypertext documents accessed via the internet.
With a web browser , one can view web pages that may contain
text, images, videos , and other multimedia and navigate
between them via hyperlinks.
World Wide Web
Sir Tim Berners-Lee

6. http://info.cern.ch/hypertext/WWW/TheProject.html
The First Web Page
http://info.cern.ch/hypertext/WWW/TheProject.html

7. http:IDN
Dmains
http://එඩියුලංකා.ලංකා//info.cern.ch/hypertext/WWW/TheProject.
html
Sinhala URL
Today we can see sinhala
web adresses.
(IDN Domains)
http://එඩියුලංකා.ලං

8. Uses of internet
Since the internet has become popular, it's
being used for many purposes. Through the
help of the World Wide Web and websites,
the internet has become very useful in many
ways for the common man. Today internet
has brought a globe in a single room. Right
from news across the corner of the world,
wealth of knowledge to shopping,
purchasing the tickets of your favorite
movie-everything is at your finger tips.

9. Online Newspapers/RSS Feeds
Ex:- www.readme.lk
www.lankadeepa.lk
Uses of internet
Online Job seeking
Ex:- www.myjobs.lk
www.everjobs.lk
Online learning
Ex:- www.edulanka.lk
www.e-thaksalawa.moe.gov.lk
Online shopping/E-commerce
Ex:- www.ebay.com www.shopping.lk
www.laabai.lk

10. Online Research
Ex:- www.google.lk
www.yahoo.com
Uses of internet
Social Networking
Ex:- www.facebook.com
www.mithuru.cf
E-MAIL
Ex:- www.gmail.com
www.lankamail.com
Online Games
Ex:- www.miniclip.com www.gamer.lk
www.mithuru.cf

11. Advantages of internet
Unlimited Communication
The Internet has made it easy for
people to communicate with others
because it is cheap and convenient.
Easy Sharing
Thanks to the Internet, sharing
information is fast and seamless. If
you want to tell your 30 friends about
your latest promotion, you can do so
in an instant. You can use social media
sites such as Facebook or an IM app.
They will all get the news at the same
time. You can also share music, videos
and any other file

12. Advantages of internet
Online Services and E-commerce
Today it is possible to carry out
financial transactions online. You
can transfer funds, pay taxes and
utility bills or book movie tickets
over the Internet in the comfort of
your office or home.
Entertainment
This is one of the major reasons
why many people enjoy surfing the
Internet – entertainment. You can
watch movies, listen to music, read
your favorite celebrity gossip
columns and play games over the
Internet. The Internet has become a
mammoth amusement park that
never closes.

13. Disadvantages of internet
Spam Mail
Spamming is the sending of
unwanted and useless emails to
random people. These emails
obstruct the recipient needlessly.
They are illegal and can cause
frustration because they make it
hard for people to access their
email accounts. Virus, Trojan & Other Malware
These are malicious programs that
plague the Internet time and again.
They attack a computer with the sole
intent of causing harm. They can
make the computer malfunction or
even this can be very costly
especially if you lose important data.
Worse yet is the fact that you can
easily fall victim to malicious

14. Disadvantages of internet
Leakage of Private Information from
hackers
The fact that the Internet has become
a market place has also seen a rise in
fraud cases. Credit/debit card details
are particularly vulnerable. This calls
for extreme caution when transacting
online. Make sure to use a reliable
payment processor instead of sending
your details directly to an individual
or business. Addiction to Internet
Just like everything else, people also
get addicted to the Internet. This
may sound bizarre, but some people
spend more than their fair amount
of time on the Internet. This affects
their social interactions a great deal.

15. Cyber attacks from
hackers
• SQL injections
• Domain hijack
• Phishing
• Virus
• Spam mail
&
• etc

16. • An introduction to making money online
How does the thought of making money online sound to you? It's a
worthwhile idea, for sure. But how much money can you actually
make? How does it work? What kind of opportunities exist? These
questions and more will be answered throughout this section.
Making money online is a relatively new concept, but it is catching
on as more and more people realize the potential of it. There are
many online money making opportunities. Anyone with a computer
and internet access can make money online. And also, the process
can seem difficult and confusing at first, so patience, ambition, and
perseverance is a must. If you are determined, focused, and apply
the right methods, you can definitely make it happen.
Make money online opportunities
Internet money

17. • Make money
online through a
website
• One way to make money
online is through a
website. You can place
various ads on your site
that will earn money for
you when they are
viewed by visitors or for
every time someone
clicks on one of
them.Usually, the more
popular a site is, the
more money it will earn
for the site's owner.
There are many different
Making money from Internet
• Make money online through
surveys & products
• A second way to make money online
is by filling out surveys and trying out
products. This is an easy way of
making money online because it
doesn't require you to have your own
website, just participate in something
through someone else's website.
• Make money online through
referrals
• A third way to make money online is through
referrals which is connected to the methods
described above. Typically, when you sign up for
an online money making program they give you
the option of earning a commission when you
refer other people to the program. For example,
the Text Link Ads referral program will give you

18. AB
www.aroshana.tk
CEI 2016
CG
Aroshana Dissanayake