Esoft Metro Campus - Diploma in Information Technology - (Module V) Expose yourself to Internet & E-mail (Template - Virtusa Corporate) Contents: What is Internet? Benefits of the Internet History of the Internet Facts about Internet… What are the services on Internet? What is WWW? How to browse Internet? Web Browser Software Website/Page URL What is Email? Types of Email Accounts Email Address How to use Email? Obtaining an Internet Connection Types of Internet Connections Security Concerns on Internet Privacy on Internet

1. Diploma in Information Technology
Module V: Expose yourself to
Internet & E-mail
Rasan Samarasinghe
ESOFT Computer Studies (pvt) Ltd.
No 68/1, Main Street, Pallegama, Embilipitiya.

2. Content
1. What is Internet?
2. Benefits of the Internet
3. History of the Internet
4. Facts about Internet…
5. What are the services on Internet?
6. What is WWW?
7. How to browse Internet?
8. Web Browser Software
9. Website/Page URL
10. What is Email?
11. Types of Email Accounts
12. Email Address
13. How to use Email?
14. Obtaining an Internet Connection
15. Types of Internet Connections
16. Security Concerns on Internet
17. Privacy on Internet

3. What is Internet?
The Internet is a global network
connecting millions of computers. More
than 100 countries are linked into
exchanges of data, news and opinions!

4. What is Internet?
A computer connected to a internet is
know as a Host

5. What is Internet?
Once you are connected to the internet,
you can communicate and share
Information with each other.

6. Benefits of the Internet
Find Information
Share Information
News
Online TV / Sports
Communication (Email / Chat / Video Calls)
E-Commerce

7. History of the Internet
Year Milestone
1966 Advanced Research Projects Agency (ARPA) was founded.
1969 ARPANET was born It connected four universities.
1972 First ARPANET international connections to England and Norway.
First basic e-mail programs written by Ray Tomlinson for ARPANET
1983 The TCP/IP protocol was introduced.
1984 domain name server (DNS) created. .edu, .gov, .com, .mil, .org, .net, and .int
created.
1986 5000 hosts on ARPANET/Internet.
1989 100,000 hosts on Internet.
1990 ARPANET ends. Tim Berners-Lee creates the World Wide Web.
2000 20,000,000 websites on the Internet.
2006 There are an estimated 92 million Web sites online .
2007 1.114 billion people use the Internet according to Internet World Stats.

8. Facts about Internet…
Internet users in 2012 as a percentage of a country's population

9. Facts about Internet…
Mobile broadband Internet subscriptions in 2012

10. Facts about Internet…
Website content languages

11. Facts about Internet…
Internet censorship by country

12. Facts about Internet…

13. What are the services on Internet?
• World Wide Web (www)
• Email
• FTP
• Telnet
• News Groups

14. What is WWW?
www is a service on the internet
www allowing users to view information on a
remote computer called web server
www can be know as a collection of web
pages

15. How to browse Internet?
Practical session…
Browsing internet using a web browser
software
Searching information

16. Web Browser Software
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome
Opera
Netscape Navigator

17. Website/Page URL
http://www.esoft.lk
Domain Name
Domain Extension
Sub Domain
Protocol (Hypertext Transfer Protocol)

18. How Web Browser Works - Cartoon Demonstration

19. What is Email?
Electronic Mail is an another service on the
internet
Electronic Mail is a messaging service

20. Types of Email Accounts
There are two different Email Account types
Web Based Email Accounts
Direct Email Accounts from an ISP

21. Email Address
info@esoft.lk
Email ID
Domain Name
Domain Extension

22. How to Use E-Mail?
Practical session…
How to get an E-Mail Account
How to use an E-Mail Account

23. Email Protocols
IMAP (Internet Message Access Protocol)
POP3 (Post Office Protocol 3)
SMTP (Simple Mail Transfer Protocol)

24. Obtaining an Internet Connection
There are several internet service providers in
Sri Lanka

25. Types of Internet Connections
Dial-up Connections
ISDN (Integrated Services Digital Network)
Broadband (DSL / ADSL / Mobile)
Leased Lines
Wi-Fi Connections

26. Security Concerns on Internet
Virus Attacks!

27. Security Concerns on Internet
Hacker Attacks!

28. Security Concerns on Internet
Spyware!

29. Security Concerns on Internet
Spam!

30. Privacy on Internet
Know what you share with whom
Know the genuine websites
Use strong passwords

31. The End
http://twitter.com/rasansmn