1. Chapter 7

2. Module 7A Understanding the Internet
Module 7B Using
Chapter 7

3. Understanding the Internet
Introducing the Internet
Internet Software
Exploring Internet Services
How the Internet Works
Intranets
The Future of the Internet
Module A

4. Introducing the Internet: The Network of Networks
Understanding the Internet
Introducing the Internet: The Network of Networks
The Internet is the first mass medium that involves computers and uses digitized data. It’s much more interactive than TV, radio, or newspapers.
Module A
Looking for a radio station? Try Live Radio on the Internet, which lists more than 1500 live Internet radio stations worldwide.

5. Introducing the Internet
Understanding the Internet
Introducing the Internet
A galactic network
Internet address or IP address
Internet service provider (ISP)
Interoperability
cross-platform network
Module A
LANs and computers connected to the Internet are maintained by corporations, ISPs, and universities who sell Internet subscriptions to the public.

6. Introducing the Internet
Understanding the Internet
Introducing the Internet
Leave the lower layers to the LANs & WANs
Internet vs. online services
AOL
Module A
Forty percent of home Internet users access the Internet through America Online (AOL).

7. Introducing the Internet
Understanding the Internet
Introducing the Internet
Module A

8. Introducing the Internet
Understanding the Internet
Introducing the Internet
The Internet’s history
importance of communication & socializing
from ARPNET to Internet
rise of a new mass medium
Module A
To learn more about Internet history visit the Internet Society’s Internet Histories page.

9. Internet Software Internet service client & Server A
Understanding the Internet
Internet Software
Internet service
client & Server
Module A
Netscape Navigator and Microsoft Internet Explorer are the two leading browsers.

10. Exploring Internet Services
Understanding the Internet
Exploring Internet Services
Electronic mail ( ): Staying in touch
World Wide Web (WWW): Accessing information
hypertext
hyperlinks
URL
Module A
Big Bad Voodoo Daddy site is an example of a site that features hypertext

11. Exploring Internet Services
Understanding the Internet
Exploring Internet Services
FTP: Transferring files
FTP
downloading & uploading
anonymous FTP
compression software
Usenet: Joining online discussions
standard newsgroups
alt newsgroup
biz newsgroups
Module A
Learn the rules of netiquette by visiting Emily Postnews, the authoritative voice concerning Usenet manners.

12. Exploring Internet Services
Understanding the Internet
Exploring Internet Services
IRC: Text chatting in real time
Internet Relay Chat (IRC)
Internet telephony: Real time voice & video
More Internet services
Internet paging
MUDs
telnet
ping
Archie, Gopher, Veronica
Module A
To get started with IRC, visit the IRChelp.org Help Archive.

13. How the Internet Works: A Geography of Cyberspace
Understanding the Internet
How the Internet Works: A Geography of Cyberspace
Configuring your computer for Internet access
Accessing the Internet
shell access
dial-up access with point-to-point protocol (PPP)
cable and satellite access
LAN access
Module A

14. How the Internet Works: A Geography of Cyberspace
Understanding the Internet
How the Internet Works: A Geography of Cyberspace
Internet Service Providers (ISPs)
Backbones
Internet protocols (TCP/IP)
Internet protocol (IP)
transmission control protocol (TCP)
Module A
Looking for an ISP? A good place to start is The List that currently lists nearly 5,000 service providers.
Explore the Internet’s physical structure at “An Atlas of Cyberspace”

15. How the Internet Works: A Geography of Cyberspace
Understanding the Internet
How the Internet Works: A Geography of Cyberspace
Domain Name System (DNS)
gov
edu
mil
com
net
Module A
See for yourself how the domain name service operates. Access the NSLOOKUP page and type in a domain name such as Click the Run button, and you’ll see the IP address below.

16. The Internet Intranets: Using TCP/IP inside the enterprise
Understanding the Internet
The Internet
Intranets: Using TCP/IP inside the enterprise
extranets
Future of the Internet
more Internet addresses
more bandwidth
Module A

17. Using Email Email Fundamentals Introducing Email Clients
Composing, Receiving, & Forwarding
Managing
Mailing Lists
Using Responsibly
Module B

18. Email Fundamentals Email servers & clients ISP User B Server Client
Using
Fundamentals
servers & clients
ISP
Module
User B
Server
Client
An server runs on your ISP’s computer. When you send mail, the server sends your mail over the Internet. An client runs on your computer and enables you to read and reply to received messages, compose new ones, and forward mail.

19. Email Fundamentals Email addresses have 3 parts Email protocols
Using
Fundamentals
addresses have 3 parts
mailbox name jsmith at
server address jamestown.edu
alias
bounce message
protocols
SMTP
MIME
POP
IMAP
Module B

20. Introducing Email Clients
Using
Introducing Clients
Module B
Getting an account
free service
Setting up your client
Among the most popular free services are Angelfire, Hotmail, and Yahoo! Mail.

21. Introducing Email Clients
Using
Introducing Clients
Exploring your client’s window
folder list
message list
message window
Module B
Although programs vary, they all look and work much the same way.

22. Composing, Receiving & Forwarding Email
Using
Composing, Receiving & Forwarding
Module B
Logging on to the mail server
Receiving mail
Replying directly to the author
Replying to all
A dialog box prompts you for your password before you can access your account

23. Composing, Receiving & Forwarding Email
Using
Composing, Receiving & Forwarding
Module B
The composition window
Composing
Forwarding

24. Composing, Receiving & Forwarding Email
Using
Composing, Receiving & Forwarding
Module B
Attachment
icon
When you receive a file that has an attachment, you’ll see an icon informing you that there’s more to the message than text alone

25. Managing Email Organizing your mail Filtering incoming mail
Using
Managing
Organizing your mail
Filtering incoming mail
Dealing with unwanted mail (Spam)
Module B
Custom folders for a college student might include various classes, friends, and family members.

26. Mailing Lists Subscribing to a mailing list
Using
Mailing Lists
Subscribing to a mailing list
Participating in a mailing list
Unsubscribing
flames (angry letters)
Module B
To find a mailing list in a subject that interests you, try “Mailing Lists on the Net,” Liszt, and “Publicly Accessible Mailing Lists”

27. Using Email Responsibly
Using at work
Backup tapes
Additional risks
Module B
For an update on the latest and other Internet hoaxes, see the U.S. Department of Energy’s “Internet Hoaxes” page

28. Using Email Responsibly
How to stay out of trouble
Do not use company for personal use
Never respond to junk (spam)
Never use to harass or intimidate
When using company’s , never say anything you wouldn’t want your boss to see
Module B