Where did it come Where did it come from ?from ?

AA

Short Short History History of the of the

InternetInternet

AA

Short Short History History of the of the

InternetInternet

By Marilyn WallBy Marilyn Wall

A global network of computersA global network of computers Connected through an intricate system Connected through an intricate system

• modemsmodems• Telephone wiresTelephone wires• satellitessatellites

A means of transferring data from one A means of transferring data from one computer to otherscomputer to others

The InternetThe Internet

Did it Did it come come down down from from the the sky?sky?

Noooo…Noooo…

Did it come from Al Gore? Noooo…Did it come from Al Gore? Noooo…

Did it come from! Bill Gates’s House? Did it come from! Bill Gates’s House? Noooo!Noooo!

Did it come from! Bill Gates’s House? Did it come from! Bill Gates’s House? Noooo!Noooo!

$113

Million Dollar Home

Did it come from The U.S. of A?

Yessssss!

ARPANETARPANET

ARPANet ARPANet began in 1957began in 1957

Advanced Research Projects AgencyAdvanced Research Projects Agency

Purpose: to provide communication signals Purpose: to provide communication signals in the event of a world catastrophein the event of a world catastrophe

Independent of each otherIndependent of each other

1969: And here at home1969: And here at home

1971: email1971: emailInvented by Ray TomlinsonInvented by Ray Tomlinson

Across the oceans in 1973Across the oceans in 1973

Goes to London w/ Queen sent her 1st email Goes to London w/ Queen sent her 1st email in 1976in 1976

1980: 1980: EnquireEnquire

Dr. Tim Berners-Lee Dr. Tim Berners-Lee personal memory substitute programpersonal memory substitute program

Fill a document with words that when clicked Fill a document with words that when clicked could lead (could lead (or linkor link) to other documents for further ) to other documents for further explanationexplanation

Hypertext was to the Internet … what Hypertext was to the Internet … what Guttenberg’s movable type was to the bookGuttenberg’s movable type was to the book

Memory – Memory – is is space where space where information is storedinformation is stored

MemoryStick…MemoryStick… Flashdrive…Flashdrive… ScanDisk…ScanDisk…

1982: 1982: TCP/IPTCP/IP Transmission Control Protocol / Internet ProtocolTransmission Control Protocol / Internet Protocol A standard format for sending data from one computer A standard format for sending data from one computer

to anotherto another

HTTP - HTTP - hypertext transfer protocolhypertext transfer protocol …means just a …means just a transfer signal i.e. transfer signal i.e. http://www.google.comhttp://www.google.com

19831983 Desktop Personal Desktop Personal

Computer Computer Made internal Made internal

networking networking practicalpractical

4 Components of the Internet4 Components of the Internet

Electronic postal service (e-mail)Electronic postal service (e-mail) Forums and Bulletin BoardsForums and Bulletin Boards Research sitesResearch sites

• GopherGopher• ArchieArchie• VeronicaVeronica• WAISWAIS

WWW - World Wide WebWWW - World Wide Web

TermsTerms Internet: a communication network of Internet: a communication network of

computers hooked together [hardware]computers hooked together [hardware]

www.: a collection of cross-linked graphical www.: a collection of cross-linked graphical pages stored on computers around the pages stored on computers around the world [software].world [software].

• HTML - HTML - hypertext markup language hypertext markup language

JAVA – animation, audio JAVA – animation, audio

– URLURL– universal resource locator … site addressuniversal resource locator … site address– http:// http:// www.mel.gov http://http://www.amazon.com

– http://http://www.english.wayne.edu

– Domain names – gov ...com ...edu …Domain names – gov ...com ...edu …org ...mil …biz.org ...mil …biz.

– net ...us ...uk …canet ...us ...uk …ca

Technical keys that unlock the WebTechnical keys that unlock the Web

1988: Schools1988: Schools First k-12 schools in the U.S. Connect, First k-12 schools in the U.S. Connect,

mostly to use e-mailmostly to use e-mail

19901990 ARPANET is decommissionedARPANET is decommissioned

Internet is official nameInternet is official name

TheThe World Wide WebWorld Wide Web comes on-line comes on-line

Aug. 6, 1991: WWWAug. 6, 1991: WWW

Can you name the 4 components Can you name the 4 components of the Internet?of the Internet?

1. email 1. email

2. forums & bulletin boards, chat rooms2. forums & bulletin boards, chat rooms

3 Research sites …veronica, archie3 Research sites …veronica, archie

4. www4. www

Net JargonNet Jargon

Invisible webInvisible web – – Content that is not part Content that is not part of the surface Web indexed by search of the surface Web indexed by search engines. i.e. Includes many Subject engines. i.e. Includes many Subject Databases Databases It is 500 times largerIt is 500 times larger

http://ipl.com (internet public library) http://ipl.com (internet public library)

http://lii.org (librarian’s internet index)http://lii.org (librarian’s internet index)

no-www no-www

Download –Download – To transfer files from a To transfer files from a computer out there to your computercomputer out there to your computer

CyberspaceCyberspace

A Synonym for A Synonym for Internet, Internet,

That domain which That domain which exists within computer exists within computer network systems. network systems.

1st coined as a 1st coined as a Science-Fiction term in Science-Fiction term in 19841984

1993: Mosaic1993: Mosaic Developed at the University of IllinoisDeveloped at the University of Illinois

Allows for point-and-click Internet Allows for point-and-click Internet navigation (mouse)navigation (mouse)

1993 also saw1993 also saw White House opens its web pageWhite House opens its web page

TermsTerms BrowserBrowser

• can display web pagescan display web pages• provides hyperprovides hyperlinkslinks to other pages to other pages• Programs likePrograms like

SafariSafari Netscape NavigatorNetscape Navigator Microsoft Internet ExplorerMicrosoft Internet Explorer

1994: Commerce1994: Commerce Arrives on the InternetArrives on the Internet

• First flower shop begins taking ordersFirst flower shop begins taking orders• First mass e-mailings sent by advertisersFirst mass e-mailings sent by advertisers

• Can order Pizza from the Hut on-lineCan order Pizza from the Hut on-line

Search ToolsSearch Tools Webcrawler.com (index) 1994Webcrawler.com (index) 1994

Metasearch.com Metasearch.com searches many engines 1995 searches many engines 1995

Yahoo.com (directory) 1994Yahoo.com (directory) 1994

Google.com 1996Google.com 1996

Baidu.com – Chinese 2000Baidu.com – Chinese 2000

google.com – most popular search engine

They need their own list of – Database web sites

Search tools: IndexesSearch tools: Indexes

Use software that scours the WebUse software that scours the Web• Spiders, robots or web crawlersSpiders, robots or web crawlers• search each and every word on a site’s search each and every word on a site’s

pagespages• Results in many “hits” or “entries”Results in many “hits” or “entries”

ask.com, about.com refdesk.comask.com, about.com refdesk.com Yahoo.com & google.comYahoo.com & google.com

As we speak

Did You KnowDid You Know

There are over There are over 2.7 billion 2.7 billion searches searches performed on performed on Google each Google each monthmonth

Did You KnowDid You Know

The number of text The number of text messages sent and messages sent and received every day received every day exceeds the total exceeds the total population of the population of the planetplanet

See HandoutSee Handout

Search Tools: Search Tools: DirectoriesDirectories

Built by humansBuilt by humans List of Web pages by subjects or topicsList of Web pages by subjects or topics Higher accuracy but fewer hitsHigher accuracy but fewer hits Good identifying general informationGood identifying general information

i.e.. Yahoo Directory…Google Directoryi.e.. Yahoo Directory…Google Directory

Internet Ethics….Internet Ethics….AUP policyAUP policyAll Users Must Agree to an All Users Must Agree to an Acceptable Use PolicyAcceptable Use Policy

A set of rules governing the fair use of the web.A set of rules governing the fair use of the web. The student usually signs at the bottom and is The student usually signs at the bottom and is expected to abide by the terms of use.expected to abide by the terms of use.

It covers what the users are allowed to do or not It covers what the users are allowed to do or not do while using the web.do while using the web.

i.e. Not to plagiarize, or go to unauthorized sites….i.e. Not to plagiarize, or go to unauthorized sites….

Over 2/3rds of our students access Over 2/3rds of our students access the web at home.the web at home.

Net JargonNet Jargon Podcast Podcast – – short for ishort for iPodPod & broad & broadcastcast A collection of Mp3 files used for playback on an iPod or A collection of Mp3 files used for playback on an iPod or

PC Mp3 – radio file PC Mp3 – radio file i.e. Education Podcast Networki.e. Education Podcast Network

RSS RSS -- Really Simple SyndicationReally Simple Syndication A format that enables the user to stay informed of A format that enables the user to stay informed of

updates i.e. blogs and podcasts from their favorite web updates i.e. blogs and podcasts from their favorite web site without spam and without requesting it. site without spam and without requesting it.

It is used by teachers who want to keep track of the It is used by teachers who want to keep track of the

latest findings on professional educator’s sites latest findings on professional educator’s sites i.e. Bernie Dodge or Dave Warlick’s 2 Cents Worth sitei.e. Bernie Dodge or Dave Warlick’s 2 Cents Worth site

CacheCache

The LMC offers a 9ft wall and surround sound speakersThe LMC offers a 9ft wall and surround sound speakersfor student presentationsfor student presentations

Net Jargon Net Jargon i.e. i.e. Techterms.comTechterms.com

Cookie – Cookie – bits if information that the particular bits if information that the particular

web site you’re on sends to your browser.web site you’re on sends to your browser. i.e. i.e. remembering certain words or pages you visit oftenremembering certain words or pages you visit often

Bookmark Bookmark (safari) &(safari) & Favorites Favorites (explorer) (explorer) - - A place that acts as a marker for a website. You A place that acts as a marker for a website. You can refer back anytime by clicking on the Bookmark can refer back anytime by clicking on the Bookmark menu at the top of the pagemenu at the top of the page

Net JargonNet Jargon

Virus- Virus- A computer program that automatically A computer program that automatically copies itself thereby “infecting” other programs copies itself thereby “infecting” other programs without the user knowing it.without the user knowing it.

Worm –Worm – A computer virus that tunnels A computer virus that tunnels through your computer’s memory & hard drivethrough your computer’s memory & hard drive

New TermsNew TermsBlogBlog – short for we – short for webb loglog

A website where users leave comments in an A website where users leave comments in an interactive format about a particular subject.interactive format about a particular subject.

Wiki Wiki – software– software that allows users to create edit and that allows users to create edit and link web pages easily for special groups to use. link web pages easily for special groups to use. These websites are called wikis i.e.. Wikipedia These websites are called wikis i.e.. Wikipedia (online encyclopedia)(online encyclopedia)

With more LCD projectors available in each department, With more LCD projectors available in each department, more teachers are now using the web to enhance their more teachers are now using the web to enhance their

lessons and show student made multimedia projects!lessons and show student made multimedia projects!

By 2010 information is By 2010 information is predicted topredicted to

Double Every 3 daysDouble Every 3 days

Now you know where it came Now you know where it came from…from…

Who knows where it’s Who knows where it’s GOING!!!!!!!!!GOING!!!!!!!!!

And That’s All Folks!And That’s All Folks!

MWall Productions ‘08