实用IT英语（第4版） 课件 Unit 9 Communication Online;Unit 10 Privacy and Security

CommunicationOnlineUnit9实用IT英语（第4版）INFORMATIONCommunicationsTECHNOLOGYInthisunit,wearefocusingonthefollowingissues.InstantMessaging(IM);TencentQQ;ICQ;TIM;WeChat;QRcodeOutlineTencentQQanditsapplications.usingInstantMessagingforbusiness.whatWeChatis.howtoensurethesafetywhenchattingonline.tipsonshortcutkeysinQQ.ProfessionalTerminologyDialogue:AmazingQQSection

2ReadingTextA:UsingInstantMessagingforBusinessTextB:WeChatandItsApplicationTextC:HowtoEnsuretheSafetyWhenChattingOnlineOccupationalTips:ShortcutKeysinQQClassActivities:UsingICQtoChatwithNewFriendsCONTENTSSection

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4Dialogue:AmazingQQ01Directions:ReadthefollowingdialogueinpairsandtalkaboutthefunctionsofTencentQQ.Situation:Attheairport,thetourguide,TonyLee,bidsfarewelltoaforeignfriend,Jessie.Jessie:Shenzhenissuchabeautifulcity,andthepeoplearekindtoo!TonyLee:Thankyou!MayIaskwhenyouwillbefree?Jessie:I’mnotsosure.Whydon’tyoutellmeyournumbersothatIcancontactyou?TonyLee:Well,youknowthecostofinternationalcallsisquiteexpensive.Iwouldliketorecommendawaywhichisconvenientandfree.ThatisQQ.Jessie:WhatisQQbytheway?TonyLee:TencentQQ,generallyreferredtoasQQ,isthemostpopularfreeinstantmessagingcomputerprograminChina.Dialogue:AmazingQQ01Jessie:Oh,Isee!It’sakindofsoftwareforchatting,justlikeICQ!TonyLee:Yes,butinChina,itismoreextensivelyusedthanICQ.AsofMarch2020,therewere768millionmonthlyactiveuseraccountsonsmartdevices,possiblymakingittheworld’sfirstlargestonlinecommunityallovertheworld.Jessie:Thenwhyisthischattingsoftwaresopopular?TonyLee:QQsupportsonlinechat,videoandvoicecalls,point-to-pointfiletransfer,QQMail,andmanyotherfeatures.Theplatformcontinuestoinnovateandintroducenewfeaturesthatmeettheneedsofyoungusers.Additionally,TencentprovidesTIM(theofficeversionofQQ),whichhelpsimproveenterpriseefficiency.Jessie:OK,sotellmeyourQQnumberandI’lltrytocontactyoubyQQafterreturninghome.公司；企业Dialogue:AmazingQQ01Notesinternationalcall01ICQbeextensivelyusedsmartdeviceTIM02030405QQ办公简洁版，是一款专注于团队办公协作的跨平台沟通工具，可以提供云文件、在线文档、邮件、日程、收藏等办公功能国际长途电话ICQ是最早的互联网即时通信软件，支持网上聊天、发送消息和文件等获得广泛应用智能设备，包括智能手机、平板电脑、智能手表等enterprise06公司；企业Dialogue:AmazingQQSection

2ReadingTextA:UsingInstantMessagingforBusinessTextB:WeChatandItsApplicationTextC:HowtoEnsuretheSafetyWhenChattingOnlineOccupationalTips:ShortcutKeysinQQClassActivities:UsingICQtoChatwithNewFriendsCONTENTSSection

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4TextA:UsingInstantMessagingforBusiness01InstantMessaging(IM)isaformofcommunicationovertheInternetthatoffersaninstantaneoustransmissionoftext-basedmessagesfromsendertoreceiver.Inpushmodebetweentwoormorepeopleusingpersonalcomputersorotherdevices,alongwithsharedclients,instantmessagingbasicallyoffersreal-timedirectwrittenlanguage-basedonlinechat.Theuser’stextisconveyedoveranetwork,suchastheInternet.Itmayaddresspoint-to-pointcommunicationsaswellasmulticastcommunicationsfromonesendertomanyreceivers.Moreadvancedinstantmessagingallowsenhancedmodesofcommunication,suchaslivevoiceorvideocalling,videochatandinclusionofhyperlinkstomedia.InstantMessaginghasbecomeapopularwaytocommunicatewithclientsandcoworkers,andforgoodreason.CommunicatingovertheInternetinrealtimecanstreamlinecommunicationsandsaveyoutimeandmoney.Plus,sincemostInstant-Messagingsoftware(Figure9-1)isfree,youdon’tneedtoinvestmoremoneyintechnology.Figure9-1Instant-MessagingsoftwareButbeforeyourushintousinginstantmessaging,thinkaboutwhetheritwillreallyimproveyourbusinesscommunicationsorjustserveasanotherdistraction.First,considerreasonstouseaninstantmessenger.TextA:UsingInstantMessagingforBusiness01SaveonlongdistancephonebillsUsingInstantMessagingtocommunicatewithemployeesandclientsinotherpartsoftheworldcanreduceyourlongdistancephonebills.Andmostinstantmessageservicesnowalsosupportvoiceconversationsaswellasvideo.Conductreal-timeinteractionWhenyouworkonaprojectwithcoworkerswhohavebusyschedulesorworkindifferentoffices,InstantMessagingfacilitatesquickandsimplecommunication.Unlikee-mail,whenyouuseaninstantmessengeryoudon’thavetowaitformessagestodownloadfromamailserver.ReducespamInstantmessengersgetalotfewerunwantedmessagesthane-mail.HostchatsandconferencesPublicchatroomsareoftenchaotic,andit’sdifficulttoconductafocusedconversation—especiallyforbusinesspurposes.Althoughinstantmessengersaremostcommonlyusedfortwo-wayconversations,mostprogramsofferaconferenceorchatsettingwhereyourworkgroupcanmeet.Nowthatyou’veconsideredtheadvantagesofinstantmessaging,takealookatthedisadvantages.Likemosttechnologies,InstantMessagingdoeshavesomedrawbacks.TextA:UsingInstantMessagingforBusiness01ProprietarysoftwareWhileitisnowpossibletousesoftwarethatletsyouconnecttomultipleInstantMessagingservices,mostservicesonlyletyousendmessagestootherusersoraddthemtoyourcontactlistusingthesameinstantmessengeryoudo.Tryingtomandateaparticularmessengercanbedifficult,especiallyifemployeesareattachedtospecificprograms.WordlimitsMostmessagingprogramshaveacharacterlimitformessages.Ifyouneedtocommunicatealargeamountofinformation,ane-mailoraphonecallisabetterchoice.SecurityUsecautionwiththeinformationyoushareoverchatorinstantmessengers.Takealookatyourprofiletoseewhatinformationyou’vemadepublic,andfindoutifthesoftwarecreatespublicdirectoriesofitsusers.MisuseEmployeesmaybetemptedtocommunicatewiththeirfriendsduringworkhoursbecauseInstantMessagingiseasyandfunny.YoumaywanttoadoptanInstant-Messagingpolicy(similartoyoure-mailpolicy)thatoutlineshowmessagingshouldandshouldnotbeusedforbusiness.TextA:UsingInstantMessagingforBusiness01InstantMessaging01streamlinecoworkerfacilitatechaotic02030405adj.混乱的即时通信v.精简n.同事v.促进；帮助NewWords&Expressionsdrawback06n.弊端proprietary07adj.专利的；所有权的080910mandatechatmisusen.授权n.聊天v.滥用TextA:UsingInstantMessagingforBusiness01Ⅰ.Answerthefollowingquestionsaccordingtothetext.ExercisesWhatisInstantMessaging(IM)?WhatistheadvantageofcommunicatingovertheInternetinrealtime?WhatisthedisadvantageofIM?WhyistheIMmisused?Whatisthebestwaytocommunicatealargeamountofinformation?TextA:UsingInstantMessagingforBusiness01ExercisesⅡ.Fillintheblanksaccordingtothetext.SincemostInstant-Messagingsoftwareis_______,youdon’tneedtoinvestmoremoneyintechnology.Usinginstantmessagingtocommunicatewithemployeesandclientsinotherpartsoftheworldcanreduceyourlong-distancephonebills.Andmostinstantmessageservicesnowalsosupport_______________________.EmployeesmaybetemptedtocommunicatewiththeirfriendsduringworkhoursbecauseInstantMessagingis_______________.CommunicatingovertheInternetinrealtimecanstreamlinecommunicationsandsaveyou______________.Mostmessagingprogramshavea_______limitformessages.freevoice/videoconversationseasyandfuntimeandmoneycharacterTextB:WeChatandItsApplication01WhatisWeChat?WeChat(Figure9-2)isamobiletextandvoicemessagingcommunicationservicedevelopedbyTencent.ItwasfirstreleasedinJanuary2011.Itisoneofthelargeststandalonemessagingappsbymonthlyactiveusers.ThethingthatmakesWeChatuniqueiswhatyoucandowithintheapp.Thereareavarietyoffunctionsthatallowusers,andmarketers,tointeractwithotherusersandsellers.WeChathasevolvedintomorethanjustamessagingappintoafullservicemobilecommercepaymentapp.UserscanlinktheirbankaccountstoWeChatandmakemobileandinstorepurchasesthroughWeChat.BelowisaninfographicfromTechinAsiashowingthevariouswaysWeChatisusedinChina.Figure9-2WeChatTextB:WeChatandItsApplication01MessagingoftheprimaryusesofWeChatismessaging.JustlikeWhatsApp,youhavealistofconversationsthatyou’reengagedin.Youcanaddpeopleinavarietyofways.WhenpeopleexchangecontactdetailsinChina,youoftenseeonepersonscanningtheotherperson’sphone.EachWeChatuserhasauniquebarcodeknownasaQRcode.Onepersoncanscantheotheruser’sQRcodetoaddthemtoWeChat.YoucanalsouseaphonenumberorIDtoaddapersonandsearchforpeoplenearby.WeChatisoneofthemainwayspeoplecommunicateinChina.Evenwhendoingbusiness,peoplepreferWeChattoemail.It’sevenmoreprevalentbecauseserviceslikeFacebookareblockedhere.Thereisalsoasocialfeaturecalled“Moments.”Userscanuploadanumberofimagesorvideosandtheirfriendscancommentorlikethepost.WhatcanWeChatdo?TextB:WeChatandItsApplication01PaymentsFrommajorsupermarketstothesmallestofstreetvendorsandtaxis,youcanpayforthingswithWeChatalmostanywhereinChina.AslongasyouhaveaChinesebankaccount,youcanlinkthattoWeChat.Therearetwowaystopayforsomethingviatheapp.Firstly,thestorecanscanyouruniqueWeChatbarcode,whichlooksliketheimagebelow.Ifyou’rebuyingsomethingonlineinChina,therewillbeanoptiontopurchasewithWeChatPay.Youwillneedtoputinapasscodeoruseabiometricauthenticationtooltoauthorizethetransaction.InstantmoneytransferstoyourWeChatcontactscanalsobemadeviathemessagingfunction,whichmakesiteasytosplitbillsorjustmovemoneyaroundChina.ItispossibletobenearlycashlessinChinaandactuallygooutforthedaywithoutawallet.ThemainrivaltoWeChatPayisAlipay,ownedbyAlibabaaffiliateAntFinancial.TextB:WeChatandItsApplication01Mini-programsWeChatandAlipayhaveoftenbeendescribedas“superapps”becauseeverythingisintegratedwithinoneservice.Insteadofhavingoneappforbankingandanotherforride-hailing,alotofthesearebuiltdirectlyintoWeChatsothattheappbecomesaone-stopshopforitsusers.Companiesmaychoosetolaunchmini-programs—orappswithinWeChat—insteadofastandaloneapp.TheprogramallowsbusinessestosendpromotionalmessagesdirectlytotheuserviaWeChat,aswellastapintotheapp’suserbaseofmorethanonebillion.Mini-programshavebecomemoreprominentintheapp,asWeChatmakesabiggerpushtowardbecomingaone-stopshop.Tencentrecentlyupdatedtheappsothatthemini-programsfeaturenowhasitsownpage.Dianping,aChineseappthatletsyouseeratingsforlocalrestaurantsandservices,ride-hailingfirmDiDi,andfood-deliveryserviceMeituan.YoucanusealloftheseserviceswithinWeChatandmakepaymentswithouteverleavingtheapp.Inthisway,WeChatbecomeslikeanappstoreasittriestokeepusersconnectedtoitsecosystem.TextB:WeChatandItsApplication01Gamesandtop-upThereareseveralotherthingsyoucandoviaWeChatincludingwealthmanagementandtoppingupyourmobilephone.NewWords&Expressions010203040506TencentstandaloneinfographicWhatsAppbarcodeQRcodeWeChatPayAlipay腾讯公司adj.单机的n.信息图；资讯图表；信息图表即WhatsAppMessenger，是一款用于智能手机之间通信的应用程序n.条形码二维码微信支付支付宝0708TextB:WeChatandItsApplication01Ⅰ.Fillintheblanksaccordingtothetext.Ⅱ.Decidewhetherthefollowingstatementsaretrueorfalse.Exercises1._______isamobiletextandvoicemessagingcommunicationservicedevelopedbyTencent.2.WeChatisoneofthelargest_________messagingappsbymonthlyactiveusers.3.EachWeChatuserhasauniquebarcodeknownasa_______code.4.ThemainrivaltoWeChatPayis_____,ownedbyAlibabaaffiliateAntFinancial.5.Companiesmaychoosetolaunch____________—orappswithinWeChat—insteadofastandaloneapp.()1.UserscanlinktheirbankaccountstoWeChatandmakemobileandinstorepurchasesthroughit.()2.WeChatistheonlywayforpeopletocommunicateinChina.()3.InChina,onecangooutforthedaywithoutawallet.(  )4.ThemaincompetitortoWeChatPayisAlipay,ownedbyAlibabaaffiliateAntFinancial.()5.YoucanusealloftheseserviceswithinWeChatandmakepaymentswithouteverleavingtheapp.WechatstandaloneQRAlipayMimi-programsTFTTTTextC:HowtoEnsuretheSafetyWhenChattingOnline01Chattingonlinehasentertainedandfosterednewrelationshipsformillionssinceitwasintroduced.Withnewtechnologybringingvoiceandvideochatintothespotlight,evenmorevirtualcommunicationpossibilitiesabound.Chattingonlinecanbeentertainingandagreatwaytokeepintouchwithallyouracquaintances.Chattingtechnologyalsohasitsplaceinprofessionalsettingswhereitcanbeusedforvideoconferencingandphoneconferencing.Beingonlinedoeshaveitsdangersthough.Predatorsalwaystakeadvantageofthosewhodon’tknowhowtoprotectthemselvesorwhattheymaybegettinginto.Childrenareespeciallysusceptible.Belowarefiveofthetoponlinechattingsafetyrulestoabideby.Asindividualsituationswilldiffer,youmayneedtokeepadditionalchatroomsafetyrulesinmindthatarenotnecessarilylistedhere.RuleNo.1—ProtectyouridentityThemostimportantsafetyruletorememberwhenchattingonlineisthatanythingyoutypeinachatroomcanbeseenbyeveryone.Predatorslookingtotakeadvantageofpeoplewilllookforeventhesmallestbitofvolunteeredpersonalinformationandtheywillusethatinformationagainstyou.Justasyouwouldneverpostyourcreditcardnumberorsocialsecuritynumberinapublicplace,youshouldnevergiveoutanypersonalinformationwhileyouarechattingonline.Someexamplesofpersonalinformationthatshouldremainprotectedincludeyourrealname,telephoneorcellphonenumber,mailingaddress,passwords,bankingdetails,etc.TextC:HowtoEnsuretheSafetyWhenChattingOnline01RuleNo.2—DonottrustallthethingswhatpeoplesayonInternetOneofthegreatestdangersaboutchattingonlineisthatyouhavenowayofknowingwhetherornotthepersonthatyouarechattingwithreallyiswhotheysaytheyare.Predatorsareknownfortheirabilitytopersuasivelyportrayavarietyofdifferenttypesofpeopleinordertogainyourtrust.Thisiswhyitissodangerouswhenpeopledecidetomeetthosewhotheyonlyknowfromtheironlinechats.Youcouldbeputtingyourselfrightinthearmsofapredatorbynotusingcautionandbeingwiseaboutthesituationsyouputyourselfin.RuleNo.3—UseasecurechatroomChatroomscomeinalldifferentshapesandsizes.Somechatroomsarefree-for-all,whileothershavespecificrulesandcodesofconductthatmustbefollowed.Makesurethatyouenterachatroomthatisappropriateforyou.Childrencannotenterachatroomofadults.Peoplefindachatroomwithamoderatorwhocanaddadditionalsecuritybyfilteringoutanyinappropriatecontentfromthechatroom.TextC:HowtoEnsuretheSafetyWhenChattingOnline01RuleNo.4—Parents,setchattingsafetyrulesforyourchildrenChildrenareoftenthetargetsofpredatorsbecausechildrenaregenerallyverytrusting.Teachyourchildrenimportantonlinechattingsafetyrules.Makesurethatyoutalktoyourchildrenabouttheconversationsthattheyhaveonlineandthetypesofpeoplethattheyarechattingwith.Makesurethatyourkidsareinage-appropriatechatroomsandencourageyourchildrentocometoyouiftheyeverfeeluncomfortableaboutaquestionthatwasaskedtothemoramessagethattheyreceived.Manytimesitisbesttoonlyallowyourchildtochatwithpeoplethatyouandtheyknowpersonally,ratherthanallowingconversationswithstrangers.RuleNo.5—DonotletyourguarddownPredators,whoareonlineandinchatroomsareverycleverandhaveexperienceinbeingdeceptive.Thesedangerouspeoplewilloftenspendmonthsgainingyourtrust,orthetrustofyourchildren,beforeaskingpersonalquestionsormeetingyouinperson.Rememberthatunlessyouknowpersonallythepersonthatyouarechattingwith,youhavenowayofknowingwhetherornotyourchattingpartnerreallyiswhohesaysheis.TextC:HowtoEnsuretheSafetyWhenChattingOnline01NewWords&Expressions010203acquaintancepredatorsspotlightcreditcardpersuasiven.熟人；相识；了解；知道n.捕食者；食肉动物；掠夺者n.聚光灯；反光灯；公众注意的中心信用卡adj.有说服力的；劝诱的；劝说的0405free-for-allappropriatemoderatordeceptivetargetsn.对任何人开放的竞赛；场地adj.适当的n.版主adj.欺诈的；迷惑的；虚伪的n.目标；靶子0607080910TextC:HowtoEnsuretheSafetyWhenChattingOnline01Ⅰ.Fillintheblanksaccordingtothetext.Exercises1.Chattingtechnologyalsohasitsplaceinprofessionalsettingswhereitcanbeusedfor___________andphoneconferencing.2.Themostimportantsafetyruletorememberwhenchattingonlineisthatanythingyoutypeinachatroomcanbeseenby_______________.3.Findachatroomwitha_____________whocanaddadditionalsecuritybyfilteringoutanyinappropriatecontentfromthechatroom.4.Makesurethatyourkidsarein_________________chatroomsandencourageyourchildrentocometoyouiftheyeverfeeluncomfortableaboutaquestionthatwasaskedtothemoramessagethattheyreceived.5.Manytimesitisbesttoonlyallowyourchildtochatwithpeoplethatyouandtheyknowpersonally,ratherthanallowingconversationswith_________________.videoconferencingeveryonemoderatorage-appropriatestrangersTextC:HowtoEnsuretheSafetyWhenChattingOnline01Ⅱ.Discussingroupsonthefollowingissues.Exercises1.Whatriskdidyoumeetwhenyouchattedonline?2.Asindividualsituationsdifferfromeachotheryoumayneedtokeepadditionalsafetyrules.Whatarethey?Dialogue:AmazingQQSection

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4OccupationalTips:ShortcutKeysinQQ01Directions:ReadthetipsonhowtouseShortcutKeysinQQandusethembyyourself.ShortcutKeysinQQSo-calledshortcutkeysonthekeyboardistouseoneoracombinationofkeystocompleteafunctioncommand,soastoimprovetheoperatingspeedpurposes.Herearesomemorecommonusesofshortcutkeysandfunction.HopethesecangiveyouconvenientaccesstotheInternetexperience.Alt+R:WhenthereisamessagetobesentyoucanpressAlt+Rtoopenthesentmessagebox.Ctrl+EnterorAlt+S:Whenyouwantreplymessagethereisnoneedtoanswerafterclickingsendbuttonwiththemouse,simplypressthetwokeysabovetosendout.Alt+H:Viewthechattinghistory.Ctrl+T:QQinfontsettingstoolbardisplayeddirectlyCtrl+R:QQinexpressionsettingstoolbardisplayeddirectlyOccupationalTips:ShortcutKeysinQQ01AndsomeshortcutsaredisplayedinthedialogueQQ’sinterface,easytolearntouseatanytime.Ctrl+Alt+Z:RapidExtractionmessageCtrl+Alt+A:CapturethescreenCtrl+Alt+L:LockQQCtrl+Alt+S:OpenmessageboxCtrl+Alt+T:TencentradiotransmissionDoubleclickCtrl:OpendesignatedwordsearchSomecommonWindowsshortcutkeyswillbeusedinthechat.Alt+C:ClosethecurrentwindowCtrl+A:SelectallcontentsofthecurrentdialogCtrl+C:CopyCtrl+X:CutCtrl+V:PasteALT+TAB:SwitchInputthewordsinsearchbar,andpressenterkey.Youcandirectlyopenthelistofsearchresults,thefirstoffriendpagesorWebpages.OpentheQQchatwindow,enter“/”ininputbox,youwillbeabletoseealotofquickexpressions.Rememberthattheycanimproveyourchattingspeed.OccupationalTips:HowtoConfigureYourOwnPC01HerearethehighlightsofASuperPCtoday(Table2-1)!Table2-1ComponentsofaSuperPCMotherboardASUSROGStrixB450-FProcessorIntelCorei7-10700K8-Core3.8GHzRAMCorsairDominatorPlatinum64-GB288-PinRAMVideoCardAMDRadeonRX5700XTHardDriveSeagateBarraCuda3TBInternalHardDriveHDDDVDRWLenovoThinkpadW530BluRayBurnerBD-REWriterDriveSoundCardCreativeSoundBlasterZOperatingSystemMicrosoftWindows10MonitorDellPSeriesP2719HLEDLitMonitorDialogue:AmazingQQSection

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4ClassActivities:UsingICQtoChatwithNewFriends01Directions:

ICQ(Figure9-3)isaninstantmessengerclientasAIM,MSNMessengerandGoogleTalk.ICQisnotactuallymadeupwithcapitalletters.Thenameisinsteadaplayonthewords,“Iseekyou,”referringtothewayinwhichICQcanbeusedtofindoldornewfriends,andcommunicatewiththem.NowICQstillexists,andisstillupdatedregularly.Itisverypopularinforeigncountries.Gotothewebsite:andmakeadownload.Aftersettingitup,youmayusetheenginetosearchfornewfriendsfromallovertheworld.Nowhaveatryandenjoyyourchatting!Figure9-3ICQPrivacyandSecurityUnit10实用IT英语（第4版）INFORMATIONCommunicationsTECHNOLOGYInthisunit,wearefocusingonthefollowingissues.adware;malware;spyware;Trojanhorses;antivirus;cloudantivirus;networkfirewallOutlineComputerviruses.Antivirussoftware.Computercrime.TipsonhowtoprotectyourPCfrominvasion.ProfessionalTerminologyDialogue:MyPoorComputerSection

2ReadingTextA:ComputerVirusesTextB:AntivirusSoftware,aGoodDefenderTextC:ComputerCrimeOccupationalTips:HowtoProtectYourPCfromInvasionClassActivities:DiscussiononUser-FriendlyFirewallsandAntivirusSoftwareCONTENTSSection

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4Dialogue:MyPoorComputer01Directions:Readthefollowingdialogueinpairs.Situation:Attheairport,Matildahadsomeproblemswithhercomputer,soshedialedacomputerservicecenterphone,andaskedforsomeinformationabouthowtorepairit.Matilda:Hello,thisisaDellcomputeruser.Isthattherepaircenter?No.8768:HereisDELLComputerServiceCenter.ThisisNo.8768.WhatcanIdoforyou?Matilda:MycomputerisdownandIdon’tknowwhattodoaboutit.SystemRestorecan’tseemtofindWindows,either.No.8768:Canyouspeakatlengthaboutthissituation?Matilda:OK.Lastnight,mycomputerwasrunningfine.Thismorning,itwon’tboot.Rightafteritgetsdonewiththebios,Ijustgetaflashingcursor,whichneverprogressesanyfurther.Itcan’tgettothebootoptionsmenu,can’tgettosafemode,can’tevengetadamnWindowslogo.Dialogue:FirstDayatWork(HardwareOrientation)01No.8768:Priortothis,haveyouinstalledsoftwareorvisitedanillegalwebsite?Matilda:MyfirstthoughtwasthatthepiratedsoftwareIinstalledlastnightmight’vesneakedsomethingnastypastmyvirusscannerorjustscrewedupsomesettings.Also,Windowsinstalledanupdatebeforeshutdown!No.8768:Youshouldpayattentiontoprivacyandsecurity,anddonotinstallanyunknownsoftware.Then,didyoutesttorepairinsomeway?Matilda:IputmyinstallationdiskinthedriveandrebootedwiththethoughtthatIcouldjustrolleverythingbacktothemostrecentrestorepointandbeonmyway.Thatworksfine,inasmuchasIcangettotheinstallationmenuandeverything,butwhenIgetintoSystemRestorethedamnthingclaimsthatitcan’tfindWindowsonanyofmydrives.Mostalarming!No.8768:Don’tworry.Iwillinformthemaintenancestaffassoonaspossible!Matilda:OK.Anyway,Ihavenoideawhattodonext.Dialogue:FirstDayatWork(HardwareOrientation)01Notessystemrestore01speakatlengthaboutbiosaflashingcursorsafemode02030405计时卡；考勤卡系统恢复详细讲述英文BasicInputandOutputSystem的缩略语，是个人计算机启动时加载的第一个软件，用于计算机开机时执行系统各部分的自检，并启动引导程序或装载内存的操作系统公司内部网piratedsoftware01virusscannerinasmuchmaintenancestaf020304接待员；前台咨询文书工作；纸上作业扫描仪公司内部网Dialogue:MyPoorComputerSection

2ReadingTextA:ComputerVirusesTextB:AntivirusSoftware,aGoodDefenderTextC:ComputerCrimeOccupationalTips:HowtoProtectYourPCfromInvasionClassActivities:DiscussiononUser-FriendlyFirewallsandAntivirusSoftwareCONTENTSSection

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4TextA:ComputerViruses01Acomputervirus(Figure10-1)isacomputerprogramthatcanreplicateitselfandspreadfromonecomputertoanother.Theterm“virus”isalsocommonly,buterroneouslyused,torefertoothertypesofmalware,includingbutnotlimitedtoadwareandspywareprogramsthatdonothaveareproductiveability.Virusescanincreasetheirchancesofspreadingtoothercomputersbyinfectingfilesonanetworkfilesystemorafilesystemthatisaccessedbyothercomputers.Figure10-1ComputerVirusTextA:ComputerViruses01Asstatedabove,theterm“computervirus”issometimesusedasacatch-allphrasetoincludealltypesofmalware,eventhosethatdonothavetheabilitytoreplicatethemselves.Malwareincludescomputerviruses,computerworms,Trojanhorses,mostrootkits,spyware,dishonestadwareandothermaliciousorunwantedsoftware,includingtrueviruses.VirusesaresometimesconfusedwithwormsandTrojanhorses,whicharetechnicallydifferent.Awormcanexploitsecurityvulnerabilitiestospreaditselfautomaticallytoothercomputersthroughnetworks,whileaTrojanhorseisaprogramthatappearsharmlessbuthidesmaliciousfunctions.WormsandTrojanhorses,likeviruses,mayharmacomputersystem’sdataorperformance.Somevirusesandothermalwarehavesymptomsnoticeabletothecomputeruser,butmanyaresurreptitiousorsimplydonothingtocallattentiontothemselves.Somevirusesdonothing