introduction to the internet level 1 & level 2

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  • 8/6/2019 Introduction to the Internet Level 1 & Level 2

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    1|I n t r o d u c t i o n t o t h e I n t e r n e t

    IntroductiontotheInternetLevelsI&II

    Justaspeoplecantalktoeachotherbytelephone,computerscantalkto

    othercomputersoveranetwork. TheInternetisthelargestcomputer

    networkintheworld. TheInternetoffersvariousservices,butthetwo

    mostpopularservicesareEmailandtheWorldWideWeb.

    ContentsLevel1................................................................................................................................. 1

    SigningintoLibraryComputers.......................................................................................... 2

    BasicInternetVocabulary................................................................................................... 2

    NavigatingtheInternet....................................................................................................... 4

    ExerciseIOpening&UnderstandingtheBrowser.........................................................4

    ExerciseIITypinginaNewWebsite............................................................................... 8

    ExerciseIIIPerformingaSearchwithYahoo.................................................................. 8

    UsingGoogle....................................................................................................................... 9

    ExerciseISearchingforNewspapers.............................................................................. 9

    Exercise

    II

    Maps

    ............................................................................................................

    10

    ExerciseIIIImageSearch.............................................................................................. 10

    Level2............................................................................................................................... 11

    FunandHelpfulWebsites................................................................................................. 11

    Printing.............................................................................................................................. 12

    Blogs.................................................................................................................................. 14

    InternetSecurity............................................................................................................... 14

    ExerciseIProtectingYourComputer............................................................................ 15

    ExerciseIISafeCommunication................................................................................... 15

    Level1

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    2|I n t r o d u c t i o n t o t h e I n t e r n e t

    SigningintoLibraryComputersKingCountyLibrarySystemprovidescomputersforpublicuseforactivities

    suchassurfingtheweb,requestinglibrarymaterials,communicatingby

    email,andperformingwordprocessing.

    Computeruseinthelibrarydoesrequirealibrarycard.Forpersonaluse,

    signinusingyourlibrarycardbarcodeandPIN(personalidentification

    number).

    Inacomputerclass,usethefollowingcodes:

    627837

    1212

    Makesuretousenumeralkeyswhentypingthenumbers.Thatis,dontuse

    theletterowhenyouwantazero(0)anddontusetheletterlwhenyou

    wantanumeralone(1).

    DontpressEnteraftertypingthefirstcode.Togettothesecondbox,

    eitherclickthemouseintheboxorpresstheTabkey.Alsonotethatyou

    cantreadthepasswordasyoutypeitinthesecondbox.Youseeasterisks

    (****)onthescreensosomeonereadingoveryourshouldercantsee

    whatyoutyped.Afteryouhavefilledinbothboxes,clickOKorpressthe

    Enterkeytomovetothenextstep.

    BasicInternetVocabularyBrowser Abrowserisasoftwareprogramthatallowsyoutoviewand

    navigatethroughInternetpages.InternetExplorerandMozillaFirefoxare

    popularexamplesandsomeInternetServiceProvidersoffertheirown

    browsers(e.g.,AOL).

    Email Electronicmail.

    InternetServiceProvider(ISP) IfyouwanttoaccesstheInternetfrom

    homeyoumusthaveanISP.AnISPisanInternetServiceProvider,a

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    3|I n t r o d u c t i o n t o t h e I n t e r n e t

    companythatyoupaytoprovideyouwithaconnectiontotheInternet.

    AOL,NetZero,Comcast,andVerizonareallexamplesofISPs.Theyprovide

    youwithproprietarysoftwaretodownloadtoyourcomputerandthenthey

    allowyouawaytoaccesstotheInternet.Allmoderncomputersalready

    havethesoftwarenecessarytoaccesstheInternet.IfyouwouldlikealistofInternetServiceProvidersyoucanvisitwww.thelist.comorlookinthe

    yellowpagesunderInternet.

    ThereareseveralwaystoconnecttotheInternet.Allrequireamodem:

    Dialupconnectionusesastandardphoneline.Thisistheslowest

    connection.Itisalsotheeasiestbecauseitdoesntrequire

    installationofexpensiveserviceslikeDSL.

    DSLaDigitalServiceLoopconnectsyourcomputertotheInternet

    viaafastermethodofdialup.

    Cablecablecompaniesoftenofferhighspeedaccessalongwith

    cableTV.CableInternetisasharedconnectiontotheInternetwith

    therestofyourneighborhood.ThemorepeoplethathaveCable

    Internet,themorepotentialforsloweraccess.

    Wireless/WiFiusesareceivertoconnectyourcomputertothe

    Internetwithoutanywires.Amongotherplaces,libraries,some

    hotelsandcoffeeshops,andmostferriesofferwirelessaccessto

    peoplewhowishtobringintheirlaptopcomputers.

    LinkShortforhyperlink,whichisareferenceornavigationelement

    withinadocumentorwebpagethatleadsyoutoanotherdocument

    (visualizelinksonachainconnectingeachother).

    SearchEngineAprogramthatindexesmillionsofwebsitestohelpusers

    findrelevantinformationbysearchingwithkeywordsorphrases.Popular

    searchenginesincludeAsk,Google,Yahoo,Bing,andDogpile.

    WebpageAsingledocumentfoundwithinawebsite.Justlikeabookwith

    pages,awebsitehaswebpages.

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    4|I n t r o d u c t i o n t o t h e I n t e r n e t

    Websiteaddresses Youmaytypeinawebsiteaddresstosearchthe

    Internet.Likeyourhomeaddress,aWebsiteaddressisunique.For

    example,justasthereisonlyone440088th

    AveSEMercerIsland,WA

    98040,justasthereisonlyonewww.google.com.

    WorldWideWebAsystemofinterlinkedhypertextdocumentsaccessed

    viatheInternet.

    NavigatingtheInternet

    ExerciseI Opening&UnderstandingtheBrowser

    Onahomecomputer,youusuallystartthebrowser(programfor

    connectingtotheInternet)byclickingordoubleclickinganicononthe

    desktoportaskbar,orbyopeningtheStartMenuandchoosingPrograms

    andthenchoosingInternetExplorer(orotherbrowser).InaKCLSlibrary,

    youmustloginwithalibrarycardorcomputerclasscode,andchoose

    InternetExplorerfromthelistofprogramsintheLibrariesOnlineprogram.

    ThefollowingexercisesstartfromtheKCLShomepage.Ifyouareinthe

    library,thebrowserautomaticallybeginsonthatpage.Ifyouaredoing

    theseexercisesfromhome,youwillneedtotypewww.kcls.orginthe

    addressboxandthenpresstheEnterkey.

    TheWorldWideWebcanbethoughtofasaformofpublishing. Insteadof

    publishingdocumentsinabook,magazine,ornewspaper,theweb

    publishesdocumentsonacomputerscreen. Computersthatpublish

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    5|I n t r o d u c t i o n t o t h e I n t e r n e t

    informationareknowsasserversandwebdocumentsareknownasweb

    pages.

    AnatomyofaWebsiteaddress

    Lookingatthewebsiteaddresscangiveyoumanycluesastothetypeofwebsiteyoumightbevisiting.Forexample,www.kcls.org istheWebsite

    forKingCountyLibrarySystem,anonprofitorganization.

    .com acommercialwebsite

    .net anetworkwebsite(canalsobeacommercialsite)

    .gov agovernmentwebsite

    .org anonprofitorganizationwebsite

    .mil amilitarywebsite

    .edu aneducationalwebsitefromaschooloruniversity

    Thehttp://partindicatesthatyouaredealingwithwebpagesinsteadof

    otherInternetservices(usuallyyoudonthavetotypeit). Httpstandsfor

    HypertextTransferProtocol.ThewwwindicatesWorldWideWeb. The

    kclsistheorganizationoperatingtheserver,andtheorgoften(thoughnot

    always)indicatesanonprofitorganization.

    Eachwebdocumentisknownasawebpage. Oftenyoucantseethe

    wholepageatonetimeonyourscreen. Scrollingletsyoumoveupanddowntoseetherestofyourpage.

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    6|I n t r o d u c t i o n t o t h e I n t e r n e t

    Youcanalsogettoanotherwebpagebyclickingalink(indicatedwiththe

    mousebyapointinghand). Forexample,underUsingtheLibrary,clickthe

    LocationsandHourslinktoseeamapofthelibraries. Clickonalibrary

    nameonthemapforotheroptions,suchashoursanddrivingdirections.

    TIP:Thismanualiswrittenfor

    InternetExplorer7,butthe

    conceptscanbeappliedtootherversionsandbrowsers.Tofind

    outwhichversionandbrowser

    youareusing,clickHelponthe

    menubarandselectAbout

    InternetExplorer.

    Scrolluppointat

    arrow&leftclick

    tomoveup

    Scrollbarhold

    downleftclick

    andguide

    mouseupor

    down

    Scrolldownpointat

    arrow&leftclickto

    movedown

    Pageup/Pagedownleftclickon

    arrowtomoveupordownin

    biggerjumps

    Scrollingallowsyoutoseepartsofyour

    documentthatmaybeoffthescreen.

    Thescrollbarresemblesandelevator

    shaftontherightsideofyourscreen,

    withthescrollboxasanelevatorinside

    thescrollbar.

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    7|I n t r o d u c t i o n t o t h e I n t e r n e t

    The title bar appears at the top of the browser (in blue), displaying thenameoftheprogramandthenameofthecurrentwebpage.Belowthetitlebar,youwillfindtheaddressbox.Thisiswherewebsite

    addressescanbytyped.Justleftclickonetimeinsidethelongboxand

    pressbackspacetodeletethecurrentaddress.Whenyouseetheflashing

    cursoryoucantypethere.Oncetheaddressisentered,hittheenterkeyon

    thekeyboard.

    Menusappearbelowtheaddressline.Eachmenuprovidesalistof

    commandstomodifythebrowsersoperation.

    Tool buttons appear in various places. Some buttons are dim,

    indicatingthebuttonsarenotavailablebecausetheconditions

    arenotrightforthemtooperate.Onyourscreen, itspossible

    that theBack button is dim. If so, why do you think its not available for

    clicking?Sometimesyougetasfarasyouwantbyclickinglinksandwantto

    returntothepageyoustartedfrom.ClicktheBackbuttonasmanytimesas

    it takes to get back to the King County Library System home page where

    youbegan.

    Tofindoutwhatatoolbuttondoes,youcanplaceyourmousecursor

    (withoutclickinganybuttons)andletithoveroveraparticularbutton.Ina

    matterofseconds,asmalltextboxwillappeartellingyouthefunctionof

    thebutton.

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    8|I n t r o d u c t i o n t o t h e I n t e r n e t

    ExerciseII TypinginaNewWebsite

    Youcanvisitawebsitebytypingtheaddress. Forexample,youcanread

    manynewspapersonline. TheSeattlePIisavailableinonlineformatonly.

    Toviewthepaper,beginbyclickingtheaddresslinenearthetopofthe

    screen. Theaddressturnsdarktoindicateithasbeenselected,oncethe

    currentaddressisselected(orhighlighted),youcantypeoverit. Now,type

    www.seattlepi.comandthenpressenter. Ifyoudontknowanaddress,

    youcanuseasearchenginelikeGoogleorYahoo.

    ClickontheViewmenu.SlidethemousepointerdownoverthewordsText

    Size.Abluebarleadstoasubmenudisplayingachoiceoftextsizes.Think

    ofthebluebarasabridge.Slideyourmousealongthebluebartochoosea

    newsize.Becarefultokeepyourmousesteadyonthebluebar.(Youdont

    wanttofalloffthebridge!)Adjustthetextsizeuntilyoufindthesizemost

    comfortableforyoutoread(thismaynothelpforeverywebsite).

    Textsizecanalsosometimesbechangedinthebottom,right

    cornerneartheclock.

    OnceyouhavereachedtheSeattlePI

    website,notethesubjectsnearthe

    top(e.g.,Local,US/World,Sports).Manynewspapershaveasimilar

    setup.FindtheRealEstatepagesby

    clickingLocal.

    ExerciseIII PerformingaSearchwithYahoo

    SearchengineslikeYahooandGooglecanhelpyoufindwebsiteswhenyou

    dontknowtheaddress.Clickontheaddressboxsothatitisselectedand

    typewww.yahoo.comthenpressenter. Inthesearchbox,typeSeattle

    MarinersandpressenterorclicktheWebSearchbox. Theresultsinblue

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    9|I n t r o d u c t i o n t o t h e I n t e r n e t

    arelinksthatyoucanclick,butyoumaynoticethatthefirstoftheresults

    aresponsorresults. SkipthoseandtrytofindtheMarinershomepage.

    UsingGoogleGoogle,muchlikeYahoo,isanothersearchenginethatisusedasatoolfor

    findingresourcesontheWorldWideWeb.Googlescanswebpagestofind

    instancesofthekeywordsyouhaveenteredinthesearchbox.Itisalsothe

    mostpopularsearchengineandindexesthemostwebpages,whichmeans

    youwillgetmoreresultswhenyouperformasearch.

    ExerciseISearchingforNewspapers

    Gotowww.google.comandtrytofindotheronlinenewspapers(e.g.New

    YorkTimesorWallStreetJournal).Onceyouhaveenteredakeywordor

    words,clickonGoogleSearchtofindyourresults.Googlealsooffersthe

    Sponso

    resultsmost

    often

    trying

    tosell

    you

    stuff

    Title(in

    blue) click

    hereto

    entersite

    Description

    (inblack)

    Web

    address(in

    green) not

    alink

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    10|I n t r o d u c t i o n t o t h e I n t e r n e t

    ImFeelingLuckyoptionthatautomaticallytakesyoutothewebsiteit

    thinksyouwantwithoutreturningalistofresults.

    ExerciseIIMapsTherearemanydifferentmapservicesavailableontheInternet,including

    MapQuest,YahooMaps,andGoogleMaps. Returntothegoogle.com

    homepage. ClickontheMapslinkatthetopleftcorner,justunderthe

    menusandclickGetDirections.

    TIP:YoucansearchfordirectionsBycar,Bypublictransit,orBy

    walking.

    ExerciseIII ImageSearch

    Googlecanalsobeusedtosearchfor

    images. ReturntotheGooglehome

    page. ClickontheImageslinkatthe

    topleftcorner(totheleftofMaps). In

    thesearchbox,typepuggleasasamplesearchandclicktheSearch

    Imagesbox.

    Toviewtheimagesinfullsize,clickthethumbnailoftheimageandthen

    thelinkthatsaysSeefullsizeimage.

    Enterthestart

    address

    Enteryour

    destination(end

    address)

    Clickfor

    results

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    11|I n t r o d u c t i o n t o t h e I n t e r n e t

    Level2ReviewVocabularyandAnatomyofWebsiteAddressfromprevious

    sections.

    FunandHelpfulWebsitesNowwewillexplorevariouswebsitestopracticenavigationskills.

    NationalWeatherServicewww.weather.govThiswebsiteisthestartingpointforofficialgovernmentweatherforecasts,

    warnings,andmeteorologicalproductsforforecastingtheweather,and

    informationaboutmeteorologyacrossthecountry. Entercity,stateand

    clickGobutton.Ifmorethanonematchisfound,choosetheappropriatelink(highlightedinblue)tonarrowyoursearch.

    CNETwww.cnet.comCNEToffersreviewsandadvicethatcanhelpyoudecidewhattechnology

    tobuyandhowtogetthemostforyourmoney.

    Wikipediawww.wikipedia.orgAccordingtotheWikipediaintroductionpage:Wikipediaisanencyclopediacollaborativelywrittenbymanyofitsreaders.Itisaspecialtypeofwebsite,calledawiki,whichmakescollaborationeasy.ManypeopleareconstantlyimprovingWikipedia,makingthousandsofchangesanhour,allofwhicharerecordedonarticlehistoriesandrecentchanges.Inappropriatechangesareusuallyremovedquickly,andrepeatoffenderscanbeblockedfromediting.IfyouaddnewmaterialtoWikipedia,please

    providereferences.Factsthatareunreferencedareroutinelyremovedfromtheencyclopedia.Ifyouwanttofindbasicinformationaboutsomething,Wikipediaisagreat

    placetostart. Themainpagehasanewfeaturedarticleeachdayandalist

    ofcurrentnewsitems. Thereisasearchboxthatallowsyoutotypeinyour

    itemofinterest. Inthesearchbox,typeOlympicgames,thenclickGoto

    seetheentry.

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    12|I n t r o d u c t i o n t o t h e I n t e r n e t

    Craigslistwww.craigslist.orgCraigslistisamostlyfree,communitymoderatedserviceofclassifiedadsin

    over500cities.Tolookorpostadsinyourarea,clickthelinkforyourcity

    and

    you

    will

    be

    taken

    to

    your

    local

    Craigslist.

    YouTubewww.youtube.comYouTubeisavideosharingwebsitewhereuserscanuploadtheirown

    videosand/orviewvideospostedbyothers.Tofindvideos,performa

    keywordsearchandexaminetheresults.

    5.

    PrintingFirst,gotowww.seattletimes.comandopenanarticlebyclickingonthe

    headline.

    PrintingfromtheInternetcanbedifficult,buttherearemanywaysyoucan

    avoidprintingunnecessarypages:

    Eachvideohasaplaybutton

    toclickon(alsopauses)

    Volume Viewinfullscreen

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    13|I n t r o d u c t i o n t o t h e I n t e r n e t

    Usetheprinterfriendlybutton(foundon

    somewebpages)

    Or,Highlightandusetheprintselectionfunction1. Highlight(orselect)thetextyouwantbydraggingthemouse

    acrosstheinformationwhileholdingdowntheleftmouse

    button

    2. GotoFileandchoosePrint

    3. ClicktheSelectionboxandPrint

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    14|I n t r o d u c t i o n t o t h e I n t e r n e t

    Or,CopyandpastetoMicrosoftWord,thenprintBlogs

    Ablog,shortforweblog,isawebsitewithrunningcommentaryandentries

    publishedbyindividualsorgroups.TherearemanyblogsontheInternet

    somearepublishedbycorporationsornewsgroups,somearewrittenby

    individuals,music,media,andmoviecriticsandmore. Atypicalbloghas

    entriesthatarearrangedwiththemostrecentonesfirst.Tobetter

    understandblogs,wewilllookatafewinclass:

    KCLSLibraryTalkwww.blogs.kcls.org/librarytalk

    Notethecategoriesontheleftsideof

    thescreen.Youcanclicktheselinksto

    lookatdifferententries.Manyblogs

    willhaveasimilarfeature;somewillbe

    listedbymonthoryear.

    DigginFood

    www.digginfood.com

    WordPress

    www.wordpress.com

    Usethesearchboxtolookforblogs

    youmightbeinterestedin!Youcan

    alsocreateafreeaccountandcreate

    yourownblogusingWordPress(the

    stepstocreateablogwillnotbecoveredinthisclass).

    InternetSecurityOnlinecommunicationoffersbenefitsbutalsocreatesproblemsinareas

    suchasprivacy,security,andchildsafety.Thissectiondiscussessomeof

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    15|I n t r o d u c t i o n t o t h e I n t e r n e t

    thehazardsandinconveniencesoftheInternetandsomeprecautionsyou

    cantaketoprotectyourself.

    ExerciseI ProtectingYourComputer

    UsingemailandtheWorldWideWebexposesyourcomputertohazards

    suchasviruses.Avirusisadestructiveprogramthatcandamageyour

    computersoperationandinformation.Virusesmostcommonlyarrivefrom

    downloadedsoftwareorfromemailattachments.Downloadingmeans

    transferringaprogramfromanothercomputertoyourown.Emailusually

    arrivesintheformofplaintext(whichcantcontainavirus),butprograms

    canbeattachedtothetextandsuchattachmentscancarryviruses.Viruses

    canalsoarrivefromputtinganinfecteddiskintoyourcomputer.

    ItsagoodideaforanyoneusingtheInternetathometopurchaseand

    installantivirussoftwareforhisorhercomputer.Herearesomepopular

    brands:

    McAfee: www.mcafee.com

    NortonAntivirus:www.symantec.com

    AVG

    Software:

    www.grisoft.com

    Zone Alarm Free Basic Firewall: www.zonelabs.com

    ExerciseIISafeCommunication

    WhenyoucommunicateovertheInternet,itsimportanttoprotectthe

    securityofvitalinformationsuchassocialsecuritynumbersorcreditcard

    numbers. Tobeginwith,onlysendsuchinformationwhenyouhaveagood

    reasontodosotoanorganizationyouknow.Second,onlysendsuch

    informationwhenusinganencryptedconnection.Encryptedmeansthe

    informationtransferringfromyourcomputertotheserverisencodedina

    waythatonlytheservercandecodeandunderstand.

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    16|I n t r o d u c t i o n t o t h e I n t e r n e t

    IfyouaresendingvitalinformationovertheInternet,makesurethatthe

    serverisusingsecureservertechnology.Thismeansthattheinformationissentinencrypted(secretcode)form.

    Herearetwoindicatorstowatchfor:firstnotetheextraswhen,theURLshows:https.Second,ifyouareusingInternetExploreras

    yourbrowser,alockappearsontherightoftheaddressoratthe

    statusbarnearthebottomofyourscreen.

    Toseeanexampleofwhatasecuresitelookslike,gobacktowww.kcls.org

    andclickLOGINTOYOURACCOUNT.

    ***Practice and Have Fun!!!***