Chapter 7. Module 7AUnderstanding the Internet Module 7BUsing email 7.
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Transcript of Chapter 7. Module 7AUnderstanding the Internet Module 7BUsing email 7.
Chapter
7
Chapter
Module 7A Understanding the Internet
Module 7B Using email
7
7
Understanding the Understanding the InternetInternet
Introducing the Internet Internet Software Exploring Internet Services How the Internet Works Intranets The Future of the Internet
ModuleA
7
ModuleA
Introducing the Internet: Introducing the Internet: The Network of NetworksThe 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.
Understanding the Internet
Looking for a radio station? Try Live Radio on the Internet, which lists more than 1500 live Internet radio stations worldwide.
7
Introducing the InternetIntroducing the Internet
A galactic networkInternet address or IP addressInternet service provider (ISP)
Interoperabilitycross-platform network
AModule
Understanding the Internet
LANs and computers connected to the Internet are maintained by corporations, ISPs, and universities who sell
Internet subscriptions to the public.
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Introducing the InternetIntroducing the Internet
Leave the lower layers to the LANs & WANs
Internet vs. online servicesAOL
AModule
Understanding the Internet
Forty percent of home Internet users access the Internet through America Online (AOL).
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Introducing the InternetIntroducing the Internet
AModule
Understanding the Internet
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Introducing the InternetIntroducing the Internet
The Internet’s historyimportance of communication &
socializingfrom ARPNET to Internetrise of a new mass medium
AModule
Understanding the Internet
To learn more about Internet history visit the Internet Society’s Internet Histories page.
7
Internet SoftwareInternet Software Internet serviceclient & Server
AModule
Understanding the Internet
Netscape Navigator and Microsoft Internet Explorer are the two leading browsers.
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Exploring Internet ServicesExploring Internet Services Electronic mail (Email):
Staying in touch World Wide Web (WWW):
Accessing informationhypertexthyperlinksURLA
Module
Understanding the Internet
Big Bad Voodoo Daddy site is an example of a site that features hypertext
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Exploring Internet ServicesExploring Internet Services FTP: Transferring files
FTPdownloading & uploadinganonymous FTPcompression software
Usenet: Joining online discussionsstandard newsgroupsalt newsgroupbiz newsgroups
AModule
Understanding the Internet
Learn the rules of netiquette by visiting Emily Postnews, the authoritative voice concerning Usenet manners.
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Exploring Internet ServicesExploring Internet Services IRC: Text chatting in real time
Internet Relay Chat (IRC) Internet telephony: Real time voice & video More Internet services
Internet pagingMUDstelnetpingArchie, Gopher, Veronica
AModule
Understanding the Internet
To get started with IRC, visit the IRChelp.org Help Archive.
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How the Internet Works: How the Internet Works: A A Geography of CyberspaceGeography of Cyberspace
Configuring your computer for Internet access Accessing the Internet
shell accessdial-up access with point-to-point protocol (PPP)cable and satellite accessLAN access
AModule
Understanding the Internet
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How the Internet Works: How the Internet Works: A A Geography of CyberspaceGeography of Cyberspace Internet Service Providers (ISPs) Backbones Internet protocols (TCP/IP)
Internet protocol (IP)transmission control protocol (TCP)
AModule
Understanding the Internet
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”
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How the Internet Works: How the Internet Works: A A Geography of CyberspaceGeography of Cyberspace
Domain Name System (DNS)govedumilcomnet
AModule
Understanding the Internet
See for yourself how the domain name service operates. Access the NSLOOKUP page and type in a domain name such as www.microsoft.com. Click the Run button, and you’ll see the IP
address below.
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The InternetThe Internet
Intranets: Using TCP/IP inside the enterpriseextranets
Future of the Internetmore Internet addressesmore bandwidth
AModule
Understanding the Internet
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Using EmailUsing Email
Email Fundamentals Introducing Email Clients Composing, Receiving, &
Forwarding Email Managing Email Mailing Lists Using Email Responsibly
ModuleB
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Email FundamentalsEmail Fundamentals Email servers & clients
BModule
Using Email
An e-mail server runs on your ISP’s computer. When you send mail, the server sends your mail over the Internet. An e-mail
client runs on your computer and enables you to read and reply to received messages, compose new ones, and forward mail.
UserISP
Client Server
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Email FundamentalsEmail Fundamentals Email addresses have 3 parts
mailbox name jsmithat sign @server address jamestown.edualiasbounce message
Email protocolsSMTPMIMEPOPIMAP
ModuleB
Using Email
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Introducing Email ClientsIntroducing Email Clients
Getting an accountfree email service
Setting up your email client
ModuleB
Using Email
Among the most popular free e-mail services are Angelfire, Hotmail, and Yahoo! Mail.
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Introducing Email ClientsIntroducing Email Clients
Exploring your email client’s windowfolder listmessage listmessage window
ModuleB
Using Email
Although email programs vary, they all look and work much the same way.
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Composing, Receiving & Composing, Receiving & Forwarding EmailForwarding Email
Logging on to the mail server Receiving mail Replying directly to the author Replying to all
ModuleB
Using Email
A dialog box prompts you for your password before you can access your email account
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Composing, Receiving & Composing, Receiving & Forwarding EmailForwarding Email
Composing email Forwarding email
ModuleB
Using Email
The composition window
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Composing, Receiving & Composing, Receiving & Forwarding EmailForwarding Email
ModuleB
Using Email
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
Attachment icon
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Managing EmailManaging Email Organizing your mail Filtering incoming mail Dealing with unwanted mail (Spam)
ModuleB
Using Email
Custom folders for a college student might include various classes, friends, and family members.
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Mailing ListsMailing Lists
Subscribing to a mailing list Participating in a mailing list Unsubscribing
flames (angry letters)
ModuleB
Using Email
To find a mailing list in a subject that interests you, try “Mailing Lists on the Net,” Liszt, and “Publicly Accessible
Mailing Lists”
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Using Email ResponsiblyUsing Email Responsibly
Using email at work Backup tapes Additional risks
ModuleB
Using Email
For an update on the latest email and other Internet hoaxes, see the U.S. Department of Energy’s “Internet
Hoaxes” page
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Using Email ResponsiblyUsing Email Responsibly
How to stay out of troubleDo not use company email for personal useNever respond to junk email (spam)Never use email to harass or intimidateWhen using company’s email, never say anything
you wouldn’t want your boss to see
ModuleB
Using Email