IT职业英语第二版课件：Computer Security

ComputerSecurity

Section1ReadingComputerViruses2024/10/27IT职业英语1Contentscomputervirus1Virus’scategories23Macrovirus4Worm5Preventvirus2024/10/27IT职业英语2Vocabulary1.virus n.病毒2.macro n.宏，巨3.worms n.蠕虫4.execute vt.执行2024/10/27IT职业英语3Computervirus

Theterm“computervirus”isagenerictermforlotsofdifferenttypesofdestructivesoftwarethatspreadsfromfiletofile.Acomputervirus(virus)issoftwaredesignedintentionallytocauseannoyanceordamage.Virus’scategoriesBenignDisplaysamessageorslowsdownyourcomputerbutdoesn’tdestroyanyinformation.MalignantDodamagetoyourcomputersystem.Somewillscrambleordeleteyourfiles.Othersshutyourcomputerdown,makeyourWordsoftwareactstrangely,ordamagethecompactflashmemoryinyourdigitalcamerasothatitwon’tstorepicturesanymore.2024/10/27IT职业英语4MacrovirusMacrovirusesarevirusesthatspreadbybindingthemselvestosoftwaresuchanWordorExcel.Marcovirusesinfectways:E-mailattachmentDownloadaninfectedfilefromtheInternetOpenafileonaninfecteddisk2024/10/27IT职业英语5WormAwormisacomputervirusthatspreadsitself,notonlyfromfiletofile,butfromcomputertocomputerviae-mailandotherInternettraffic.“LoveBug”isoneofthemorefamouswormviruses.Itarrivesinyoure-mailasanattachmenttoane-mail.Thesubjectofthee-mailis“ILOVEYOU”.2024/10/27IT职业英语6PreventvirusAviruscan’tdoanythingunlessthevirusinstructionsareexecuted.Beverycarefulaboutopeningupanattachmentifyou’renotsurewhatitisandwhereitcamefrom.Beawarethatsomee-mailprogramshavetheabilitytoexecutemacros(smallblocksofcode)andthesemaybeexecutedwhenyouopenthee-mailitself,releasingthevirus.2024/10/27IT职业英语72024/10/27IT职业英语8Exercise1Answerthefollowingquestions1.Whatisacomputervirus?2.Howmanytypedoesacomputervirushave?3.Pleaselisttheremovablemediathatcancarrycomputerviruses.4.Whatarethedifferencesbetweenacomputervirus,aworm?Clicktoeditcompanyslogan.ThankYou!ThankYou!ThankYou!ThankYou!

ComputerSecuritySectionTwoListeningSectionA:ShortConversations1.A.They’vebeenworkinginthelabfortwodaysB.Theycan’tfindthepieceofcodeC.They’vebeenworkingoncomputerfortwohoursD.Theycan’tfixthepieceofcode2.A.Tuesday B.WednesdayC.Thursday D.Friday3.A.ThewomanwillworkintheInternationalDepartmentB.ThewomanwillworkintheDomesticDepartmentC.ThewomanwilljoblessD.Thewomanwilltakeanjobinterview4.A.Linux B.Windows2003C.Windows2000 D.WindowsXP5.A.BillwillbuythelaptopassoonashegetsthemoneyB.Bill’sfriendsisbuyingthelaptopforhimC.Billcan’taffordanewlaptopD.BillhasalreadymadethedownpaymentonthelaptopSectionBMonologueOneofyourclients,David,calledforaconsultationonhowtosetupafirewallfortheWindowsXPsystem,pleaseofferyourhelp.（a.openControlPanel.b.configurethecurrentnetworkconnection.andcenablethefirewall.)TranscriptMonologuepleasegototheControlPanel,enter“NetworkConnections”bydoubleclickingit.Then

rightclickonyourcurrentconnection,suchasyourLAN,ISDNorADSLconnection,andselectPropertied.IntheAdvancedtab,enabletheInternetConnectionFirewallbyclickingthe“On”radiobutton.That’sall.ThankYou!ThankYou!ThankYou!ThankYou!Unit10ComputerSecuritySection3SpeakingSpeakingExercise5whatwouldyousayinthefollowingsituations?1.ImaginethatyouworkatRedHatLinuxcompany.Youareansweringaphonecall.Playyourroleaccordingtothecluesgiveninthebrackets.You: (电话铃响起，您接听电话，并说出RedHatLinux的技术支持部。)Client: Hello,thisisSunSmith.Iwanttoaskhowtoenhancewebsecurity?You: (你可以购买防病毒和防火墙产品，安装在操作系统上。除此之外，在反病毒程序的基础上，再安装一个反间谍软件anti—spyware会是一个更好的选择。)Client: Oh,Isee.Thanksalot!You: (表示客气，并祝对方顺利。)2. ImaginethatyouworkatMicrosoft,Inc.Youareansweringaphonecall.Playyourroleaccordingtothecluesgiveninthebrackets.（设想你在微软公司工作，现在你正在接听一个电话。根据下文提供的线索扮演你的角色。）You: (电话铃响了，您接听电话，并说出Microsoft的名称。)Customer: Oh,hello.ThisisSamuelSmithspeaking。Iwanttomakesomechangestomysystemconfiguration.Otheruserskeeploggingontomycomputerwithmyusername.HowcanIpreventthemfromloggingin?You: (告诉对方在Windows中设置帐号密码的大致步骤。)Customer: Itisdone.Thankyousomuch.You: （表示客气，并祝对方愉快。）Thankyou!

Unit10ComputerSecuritySection4WritingIT职业英语24Contents

ProductDescription

IT职业英语25ProductDescription描述产品Productdescriptionincludesthefollowingpoints:

1. Nameofproduct产品名称2. Typeofproduct产品类型3. Performanceorfunctions性能或功能4. Features特点5. Reliability可靠性6. Durability耐用性/持久性7. Delivery,GuaranteesandAfter-salesService送货、保修期和售后服务

IT职业英语26Example1:DescribingacomputerName:acomputer(Aparticularmodelnameisbetter.)Typeofproduct:

Itneedselectricitysupply.Performanceorfunction:

Itisusedtostoreandretrieveinformation.Itsfunctionistohelptheuserkeeparecordofanything.Ithasdifferentwaystoinputinformation.Forexample,byusingakeyboard,afloppydisk,themodemoveratelephonelinkorfromanothercomputerlinkedwiththisone.Italsohasdifferentwaystooutputinformation,suchasonascreencalledaVDU(visualdisplayunit),aprinter,afloppydiskoranothercomputer.

IT职业英语27Features:Itcanhavehighresolutioncolourmonitor,comecompletewithword-processingandotherbusinesssoftware.Reliability:

Theexcellenthardwareenhancesitsreliability.Durability:

Itwilllastforever.Delivery:

Freedeliveryserviceisoffered.Guarantee:

2yearexpressexchangeguaranteeAfter-salesService:

Ourrepairmanisreadyforanynecessarytrainingandsolvingallproblems.IT职业英语28Example2:

DetailedProductDescriptionPrestigeX6Mini10.2inchLaptopDetails:Operationsystem:LinuxorWindowsXPDisplay: 10.2inchCPU: VIAC71.6GHzNetworkInterface:10/100MEthernetAccessNetworkAccess: Built-inIntelPro802.11b/g/WirelessnetworksolutionMemory: DDRIISO-DIMMslot.1GBHDD: SATA120GBBuilt-inCamera: Built-in1.3-megapixelcameraIT职业英语29SoundEffect:Built-inhigh-effectaudiostereospeakers;Built-inmicrophoneDC-In: 1portEarphone: 1portMicroPhone:1portRJ45Port: 1portVGAPort: 1ExternalD-15outputUSBPort: USB2.0*2portCardreader: SD/MS/MMC/MS-ProBattery: 3Core10.8V,2.5hrsDimension: 253mm*188mm*33mmWeight: 1.30kgIT职业英语30Sample3:

iMacLCDscreendescription(advertisementstyle)

BeautybytheinchPhotos,movies,games,videos,andapplicationswithpalettes.Anythingyouseeonthe20-or24-inchglossywidescreendisplaywillbeapixel-perfectexperience.iMacfeaturesaflat-panelLCDscreenwith1680-by-1050resolution(20-inch)or1920-by-1200resolution(24-inch),givingyouvividcolorsandbreathtakinghigh-definitionclarity.Andthere’snothingquitelikeseeingyourlife’seventsonthebigscreen,thankstothenewiLife’09builtintoeveryiMac.Evenmoreeyeopening,the24-inchiMacstartsatjust$1499.IT职业英语31Exercise6Fillinthegaps.Usethefollowingwords:

videogame4MBperformancenotebookcomputerIT职业英语32AppleMacBookPro17"LaptopComputerTheAppleMacBookProLaptop1__________isallaboutultimatespeed,2_______