Introduction to the internet
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WWW Introduction to the Internet Email News Groupware FTP Name some things you know about the Internet List a couple of things you would like to know about the Internet What is the Internet? Connection of regional networks Spaghetti and Jello International connectivity

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Introduction to the internet l.jpg

WWW

Introduction to the Internet

Email

News

Groupware

FTP




What is the internet l.jpg

What is the InternetInternet?


It s a network of networks l.jpg

Connection Internet

of regional

networks

Spaghetti

and

Jello

International connectivity

Distributed

not centralized

Not just

the Internet

It’s a Network of Networks


The internet is non proprietary l.jpg
The Internet is Non-proprietary Internet

  • No one owns or controls the Internet

  • The future

    • Fee vs. free

    • Public vs. private

    • Internet II


The networks have common protocols rules l.jpg
The Networks have Common Protocols (Rules) Internet

  • Common Language - TCP/IP

    • 1983

    • Allows transmission over different networks

  • Packet transfer/packet switching

    • Files broken into parts

    • Parts addressed to final destination

    • Parts may take different routes

      (moving van example)


Accessing internet resources l.jpg

Email Internet

Accessing Internet Resources

Discussion Lists

News

Telnet

FTP

Internet Resources

Groupware

Gopher

World Wide Web

Chats



Internet communication tools l.jpg
Internet Communication Tools Internet

  • Computer-Mediated Communication Tools

    • Electronic Mail

    • Discussion Groups

    • UseNet News

    • Internet Relay Chat

    • Groupware



Electronic mail l.jpg
Electronic Mail Internet

  • Online messaging services between computer users

  • One-to-one

  • Multiple addresses

  • Asynchronous (not real time) communication

  • Text-based

  • Netiquette very important


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Basic Email Features Internet

Send

Delete

Read

Reply

Forward


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Separate mailboxes Internet

Signature files

Nicknames

Username Lookup

Attachments

Change Queuing

Filtering

Compacting

Additional Email Features


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Internet Addresses Internet

userid @host.institution.domain

[email protected]

[email protected]


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Common Address Forms Internet


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Questions and Comments Internet

Email is taking over

my life!



Discussion groups l.jpg
Discussion Groups Internet

  • Group Communication

  • Uses electronic mail

  • Single theme or topic

  • Contains threads of conversation within theme

  • Subscribe and Unsubscribe

  • Can temporarily suspend subscription

  • May be very prolific


Discussion lists l.jpg
Discussion Lists Internet

  • International

  • Different addresses: listserv vs. List

  • One-way or two-way; always asynchronous

  • People

    • lurk

    • post, followup, reply

  • Participants’ knowledge varies

  • Netiquette very important


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More on Using InternetDiscussion Lists


Set up methods l.jpg

Unmoderated--messages Internet

come directly from sender

to the group

Moderated--messages

go from sender to moderator

to the group

Set-Up Methods


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Receive methods Internet

From Archives

Digest

Individual Messages


Common commands sent to the listserv address l.jpg

subscribe Internet

nomail

ack

repro

conceal

digest

unsubscribe

mail

noack

norepro

noconceal

nodigest

Common commands--sent to the listserv address


Common commands sent to the listserv address cont l.jpg
Common commands--sent to the listserv address (cont.) Internet

  • review

  • index

  • info refcard

  • unsubscribe/signoff


Common commands sent to the list address l.jpg
Common commands--sent to the list address Internet

  • new message--posts a new “thread of conversation

  • reply to a message--adds to an existing “thread” of conversation

  • can also:

    • reply to an individual who posted a new “thread” or a reply to the list



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UseNet News Internet

  • Similar to discussion groups--people communicate on a topic of common interest

  • News resides on a computer

    • Does not rely on electronic mail

    • Do not need to subscribe/unsubscribe

  • Can post messages, reply to

    messages, and/or lurk

  • Participants’ knowledge varies

  • Netiquette very important


Cmc chats l.jpg
CMC: Chats Internet


Chats l.jpg

Different Place Internet

Same time (snychronous) communication

Chats




Cmc groupware l.jpg
CMC: Groupware Internet


Groupware l.jpg
Groupware Internet

  • Different time (asychronous) communication

  • Variety of uses

  • Multimedia focus

  • Local or distance


Examples of groupware l.jpg

Lotus Notes/ InternetLearning Space

Microsoft Outlook

First Class

NiceNet

Examples of Groupware


Internet netiquette l.jpg
Internet Netiquette Internet

  • Accepted customs for using the net

    • DO NOT TYPE IN ALL CAPS

    • Use emoticons :) :) ;-)

    • Common abbreviations: BTW, IMHO

    • Be polite; avoid flaming

    • Keep your cool!

    • Repeat part of message when replying


Tip for using cmc l.jpg
Tip for Using CMC Internet

  • Remember, once a message leaves your computer, you no longer have control over it!



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Internet Access Tools Internet

Telnet

Gopher

Internet Resources

FTP

WWW


Url s l.jpg

Internet tool Internet

Address

Path

URL’s

Uniform Resource Locators have 3 parts

http://www.uwec.edu/Info/IT/Sup/Help/help.htm


Internet address url s l.jpg
Internet Address--URL’s Internet

Several Internet resources use URLs

  • Gopher--Example: Gopher Jewels

    • Gopher://cwis.usc.edu

  • Telnet--Example: CARL

    • telnet://carl.colorado.edu or

    • telnet://pac.carl.org

  • WWW--Example: Global Schoolhouse

    • http://k12.cnidr.org/gsh/gshwelcome.html


More info on urls l.jpg
More Info on URLs Internet

  • Represent IP Numbers

  • CaSe SEnSiTIve

  • Some servers will not accept the full URL

  • example, if http://www.eff.org/govt.html gives an error; use http://www.eff.org/

  • Sometimes do not work



World wide web www l.jpg
World Wide Web (WWW) Internet

  • Hypertext links to Internet resources

  • Fastest growing Internet tool

  • Text, images, sound, video

  • Can set bookmarks and save files

  • Incorporates Email, UseNet News, Gopher, Telnet, FTP


World wide web www45 l.jpg
World Wide Web (WWW) Internet

  • Can order products

  • Be careful about credit card numbers

  • Speed and file size can be a problem

  • Requires helper programs

    • to hear sounds

    • to view images

    • to play videos

    • to view some text files



Gopher l.jpg
Gopher Internet

  • Accessible through WWW

  • Mostly text based

  • Relies on a menuing system

  • Has similar resourcesthat WWW has


How to find web gopher resources l.jpg
How to Find Web & InternetGopher Resources

  • Colleagues

  • Magazines

  • On-line discussion lists

  • Newspapers

  • Search Engines (Veronica,

    InfoSeek, Lycos, Web Crawler)

  • Exploration


Resource evaluations l.jpg
Resource Evaluations Internet

  • Do you know the “author”?

  • Is the source copyrighted?

  • Is it a credible source? Should it be?

  • Is it the current version? Should it be?

  • Is it fact or opinion?

  • How do you cite it?



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Telnet (remote login) Internet

  • Access to resources on “remote” computers

    • Online library catalogs

    • CARL

    • Supercomputers

  • Authorized account holder

  • Anonymous login--guest login

  • Read-only

  • Know the address; read the directions!



File transfer ftp l.jpg
File Transfer (FTP) Internet

  • Move files from one computer to another

    • Software (programs, games, utilities, etc.)

    • Reports and documents

    • Bibliographies

    • Images and sounds

  • Must know address

  • Anonymous login

  • Be aware of virus possibilities


With the internet you can go in all directions l.jpg

With the Internet InternetYou Can Go in All Directions!

N

W

E

S


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Wrap up of Intro Information Internet


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