Anthony J. Nowakowski, Ph.D. The Internet Computer Literacy.

Anthony J. Nowakowski, Ph.D.

The InternetThe Internet

Computer Literacy


Computer Literacy


What is the Internet?

Computer Literacy


a world wide connection of computers a world wide connection of computers includingincluding

InternetInternet

Computer Literacy


a world wide connection of computers a world wide connection of computers including including supercomputerssupercomputers

InternetInternet

Computer Literacy


a world wide connection of computers a world wide connection of computers including supercomputers, including supercomputers, mainframesmainframes

InternetInternet

Computer Literacy


a world wide connection of computers a world wide connection of computers including supercomputers, mainframes, including supercomputers, mainframes, workstationsworkstations

InternetInternet

Computer Literacy


a world wide connection of computers a world wide connection of computers including supercomputers, mainframes, including supercomputers, mainframes, workstations, and even individual workstations, and even individual personal personal computerscomputers..

InternetInternet

Computer Literacy


How do I connect to the Internet?

Computer Literacy


InternetInternet

Educational Educational InstitutionsInstitutions (BSC)(BSC)

Mainframe(s)Mainframe(s)PC LANsPC LANsInternet access providedInternet access providedFree???Free???

Computer Literacy


InternetInternet

CommerciaCommerciall ServicesServices(AOL, Prodigy, MSN)(AOL, Prodigy, MSN)

Mainframe with own databasesMainframe with own databasesInternet access providedInternet access provided$ Flat rate for initial ?? hours $ Flat rate for initial ?? hours $ per additional hour$ per additional hour

Computer Literacy


InternetInternet

Service ProviderService Provider(BuffNETBuffNET)

Powerful PC or WorkstationPowerful PC or WorkstationInternet access providedInternet access provided$ Flat rate$ Flat rate

Computer Literacy

Recently a new ISP hasappeared - Adelphia Cable with their Power Link option.

Recently a new ISP hasappeared - Adelphia Cable with their Power Link option.


Service ProviderService Provider

(AOL, Prodigy, (AOL, Prodigy, MSN)MSN)

InternetInternet

CommerciaCommerciall ServicesServices

Educational Educational InstitutionsInstitutions (BSC)(BSC)

(BuffNET)(BuffNET)

Computer Literacy

Why are theseWhy are theselines dashed?lines dashed?

Why are theseWhy are theselines dashed?lines dashed?


FileDownload

Modem(14.4

Kbps)

ISDN(56/ 64 Kbps)

T1(1.5 Mbps)

Cable Modem

(4-10 Mbps)Simple image 2.3 minutes 35.7 seconds 1.3 seconds 0.5 secondsComplex image 18.5 minutes 4.8 minutes 10.7 seconds 4 secondsShort animation or video

1.4 hours 21.5 minutes 48 seconds 18 seconds

Long animation or video

3.5 days 21.4 hours 48 minutes 18 minutes

* ISDN can transmit at twice this rate using two B channels. Source: Forrester Research

T-3 (44.7Mbps) (Adelphia)

Computer Literacy


What services does the Internet offer?

Computer Literacy


InternetInternet

Actually,Collection

and Distribution

Actually,Collection

and Distribution

Computer Literacy

The “2 C’s”


InternetInternet

electronic-mail electronic-mail (e-mail)(e-mail)

[email protected]@buffalostate.edu [email protected]@buffnet.net

Computer Literacy


Buffalo State uses VAX mail or Buffalo State uses VAX mail or Gold-mailGold-mail

Buffnet uses Pine, Elm, or unix mailBuffnet uses Pine, Elm, or unix mail

Netscape and Internet Explorer now have Netscape and Internet Explorer now have e-mail capabilitiese-mail capabilities

Computer Literacy

e-maile-mail


Computer Literacy

Although Buffalo State’s Goldmail package Although Buffalo State’s Goldmail package is rather primitive (text-only), newer is rather primitive (text-only), newer Windows-based software packages such as Windows-based software packages such as Eudora, cc mail, Microsoft Exchange, or Eudora, cc mail, Microsoft Exchange, or some browsers (Netscape and Explorer) some browsers (Netscape and Explorer) can be used for e-mail. We be using can be used for e-mail. We be using Netscape to attach formatted documents, Netscape to attach formatted documents, spreadsheets, graphics, and even webpages. spreadsheets, graphics, and even webpages.


InternetInternet

discussion groups discussion groups ((usuallyusually unmoderated) unmoderated):: called: interest groups, Listserv, mailing listscalled: interest groups, Listserv, mailing lists subscribesubscribe and then use e-mail and then use e-mail

Similar to anewspaper

or magazine

Similar to anewspaper

or magazine

Computer Literacy


List ServerList Server

Computer Literacy

e-maile-maile-maile-maile-mail


listserv listserv majordomomajordomolistproclistprocmailbasemailbase

Computer Literacy

Discussion groupsDiscussion groupsThe major list server software The major list server software

packages are:packages are:


Internet

news groups (can be moderated ): called: Usenet, Internet News join and then use e-mail and a “newsreader”

Similar to abulletinboard

Similar to abulletinboard

Presently, Buffalo StatePresently, Buffalo Statesupports limited supports limited

educational newsgroups!!!educational newsgroups!!!

Presently, Buffalo StatePresently, Buffalo Statesupports limited supports limited

educational newsgroups!!!educational newsgroups!!!

Computer Literacy


News ServerNews Server

Computer Literacy

x

postmessage


News ServerNews Serverx

Computer Literacy

x

x



Computer Literacy

reply to message

x



postreply

Computer Literacy


Internet

file transfer protocol:file transfer protocol: used to transfer files from/to remote sitesused to transfer files from/to remote sites and local computerand local computer

Computer Literacy


Internet

telnet:telnet: is used to connect to remote sitesis used to connect to remote sites i.e. telnet buffnet.neti.e. telnet buffnet.net

Computer Literacy


Internet

world wide web:world wide web: contains multimedia sites by using graphicalcontains multimedia sites by using graphical browsers such as Netscape or Internet Explorerbrowsers such as Netscape or Internet Explorer

Computer Literacy


Computer Literacy


Let’sLet’s GoGo

Surfin Now !!!Now !!!

Computer Literacy


How do I find information?

???

Computer Literacy


SearchSearchEnginesEngines

Computer Literacy


Web SitesWeb Sites

Library InformationLibrary Information

Discussion GroupsDiscussion Groups

NewsgroupsNewsgroups

PeoplePeople......

Computer Literacy

Search Engines for:Search Engines for:


Several generic web search engines are Several generic web search engines are available by clicking a the browsers “search” available by clicking a the browsers “search” button. Some of the popular ones are:button. Some of the popular ones are:

AltaVistaAltaVistaLycosLycos

InfoseekInfoseekYahooYahoo

ExciteExcite

Computer Literacy

Web SitesWeb Sites


Library Information “Levels”Library Information “Levels”

I. Card CatalogI. Card Catalog SherlockSherlock

II.II. AbstractsAbstractsERICERIC

III.III. Full-TextFull-TextMoby DickMoby Dick


Search for keywords by using a discussion group Search for keywords by using a discussion group search engine:search engine:

http://alabanza.com/kabacoff/Inter-Links/listserv.html

Mail a “subscribe” request to the Mail a “subscribe” request to the server addressserver address to: to: [email protected]@emuvm1.cc.emory.edu message: subscribe vette-l message: subscribe vette-l

Mail messages to the Mail messages to the list addresslist address to: to: [email protected]@emuvm1.cc.emory.edu message: . . . message: . . .

Computer Literacy

Discussion groupsDiscussion groups


Newsgroups are organized by topics, Newsgroups are organized by topics, sub-topics, sub-sub-topics, etc.sub-topics, sub-sub-topics, etc.

Search for keywords by using a Search for keywords by using a newsgroup search engine:newsgroup search engine:

http://www.infoseek.com

Computer Literacy

NewsgroupsNewsgroups


Computer Literacy

NewsgroupsNewsgroups Although Buffalo State does not support Although Buffalo State does not support generalgeneral public newsgroups, we are able to public newsgroups, we are able to see an example of a newsgroup supported see an example of a newsgroup supported by Microsoft. As indicated by its name, by Microsoft. As indicated by its name, this is a specific forum about Visual Basic.this is a specific forum about Visual Basic.

news://msnews.microsoft.com/microsoft.public.vb.syntax


You can search for names by using one of the You can search for names by using one of the general search engines:general search engines:

http://www.excite.com/Reference/people.htmlhttp://www.excite.com/Reference/people.html

PeoplePeople

Computer Literacy


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Computer Literacy

Anthony J. Nowakowski, Ph.D. The Internet Computer Literacy.

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