This document discusses the basics of how the internet works including communicating with others through email and chatting, getting information by sending, receiving, finding and downloading various file types, and connecting to other computer systems using devices like modems and protocols. It also covers setting up an internet connection through an ISP, common web browsers, the fundamentals of websites and DNS, and using email and social networks.

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
• Advantages
– Send, receiving, finding, 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

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
• Copy – Ctrl + S
• Save – To save the web pages
• Print – Ctrl + p

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. Sending and receiving e-mail

35. INBOX

36. Search Engine

37. Social Network
• SNS – Social Network Sites