This document discusses the basics of how the internet works and its applications. It covers how the internet allows people to communicate via email, chat, and newsgroups. It also explains how the internet enables accessing information through file transfer and browsing websites. Key components that make the internet function are discussed such as modems, servers, protocols, IP addresses, browsers, and search engines.

2. Network

3. Internet

4. Advantages

5. Application of Internet
• Communicate with other people
• Getting information
• Connect to other computer
systems

6. Communicate with other people
• E-mail
• Internet News / Newsgroup
• Chatting

7. E-mail
• Definition – Used to send and receiving the
message.
• Format –
username@hostname.domainname
• Options – Inbox, compose and attachment
• Example – aj@gmail.com

8. NEWSGROUP / INTERNET NEWS
• Example:COMPGROUP and RECGROUP

9. CHATTING

10. GETTING INFORMATION
• Information : Text, Video, Graphics and
animation
• FTP
• Internet usage
– Send, receiving, finding, reading, copying and
downloading

11. Connect to other computer systems
• Modem
• Network
• Client
• Server
• Protocol

12. MODEM

13. NETWORK

14. Client

15. SERVER

16. PROTOCOL

17. Types of protocols
• DHCP – Dynamic Host Configuration Protocol
• FTP
• HTTP
• IMAP – Internet Message Access Protocol
• POP – Post Office Protocol
• SMTP – Simple Mail Transfer Protocol

18. DHCP
It can automatically assign internet addresses to computers and users

19. FTP

20. HTTP

21. IMAP

22. POP

23. SMTP

24. Setting up for the Internet
• Modem
• ISP

25. Web Browser

26. WWW

27. URL

28. Web Language and Example

29. Coping, Saving and Printing
webpage

30. Website

31. Website format and DNS
• www.hostname.domainname

32. IP Address

33. TYPES OF IP ADDRESS
• IP V4 – 32 bit address – 232 – 0-255
• IP V6 – 128 bit address – 264 - Hexa

34. Search Engine

35. Social Network
• SNS – Social Network Sites