計(jì)算機(jī)專業(yè)英語教程(第四版)習(xí)題答案

./計(jì)算機(jī)專業(yè)英語〔第四版課后習(xí)題答案Unit1[Ex1]1.F2.T3.T4.F5.T6.T7.T8.T9.T10.F[Ex2]1.input,storage,processing,andoutput2.power;speed;memory3.centralprocessingunit4.internal;primary;memory5.keyboard;centralprocessingunit;mainmemory;monitor[Ex3]A.1.F2.D3.G4.C5.B6.A7.E8.HB.1.user2.monitor3.data4.keyboard5.dataprocessing6.information7.computer8.memory[Ex4]1.inputdevice2.screen,screen3.manipulates4.instructions5.retrieve6.code7.hardcopy8.Function[Ex.5]新處理器開始IT技術(shù)的新時代NewProcessorsOpenNewEraofITTechnologiesLastweek,IntelintroducedtothepublicinRussiaandotherCIScountriesafamilyofprocessorsIntelXeonE5-2600.Theyaremorepowerfulandreliableand,importantly,areveryeconomicalintermsofenergyconsumption.TheirpresenceopensanewerainthefieldofITtechnologiesandmeansthatthecloudtechnologyisgettingcloser.Theseprocessorsareprimarilydesignedforservers,datacenters<DPC>andsupercomputers.Theemergenceofthisclassofdevicesisnotaccidental.AccordingtotheregionaldirectorofIntelinRussiaandotherCISstatesDmitriKonashwhospokeattheevent,themarketofIT-technologyisdevelopingsorapidlythat,accordingtoforecasts,by2015therewillbe15billiondevicesconnectedtotheInternet,andover3billionofactiveusers.上周,英特爾公司向俄羅斯和其它獨(dú)聯(lián)體國家的公眾推出了英特爾XeonE5-2600系列處理器,它們更加強(qiáng)大可靠,尤其是在能量消耗方面更加經(jīng)濟(jì)實(shí)惠.它們的問世意味著IT技術(shù)領(lǐng)域開始了一個新時代,標(biāo)志著云技術(shù)距離我們越來越近.這些處理器主要是為服務(wù)器、數(shù)字處理中心和超級計(jì)算機(jī)設(shè)計(jì)的.這種處理器的出現(xiàn)并非偶然.根據(jù)英特爾公司俄羅斯和其他獨(dú)聯(lián)體地區(qū)負(fù)責(zé)人DmitriKonash就此事發(fā)表的看法,IT技術(shù)市場的發(fā)展速度極快,根據(jù)預(yù)測,到2015年與英特網(wǎng)連接的設(shè)施將有150億,用戶超過30億.[Ex6]1.T2.T3.F4.F5.T6.F7.T8.FUnit2[Ex1]1.T2.F3.T4.F5.T6.T7.T8.F[Ex2]1.sizes,shapes,processingcapabilities2.supercomputers,mainframecomputers,minicomputers,microcomputers3.mainframecomputer4.microcomputers,storagelocations5.protables,laptopcomputers/notebook/palm-sizedcomputer.desktopworkstations6.semiconductor7.CPU,memory,storage,devices,processing,users8.microprocessorchip[Ex3]A.1.C2.A3.H4.I5.E6.F7.G8.B1.capacity2.device3.laptopcomputer4.Portablecomputers5.Silicon6.semiconductor7.workstation8.voltage9.RAM10.ROM[Ex4]1.portable2.access3.mainmemory4.sophisiticatedprograms5.processingcapability6.instructions7.computation8.computerprofessional[Ex5]平板電腦TabletComputerAtabletcomputer,orsimplytablet,isaone-piece,mobileversionofapersonalcomputer,primarilyoperatedbytouchscreen<theuser'sfingeressentiallyfunctionsasthemouseandcursor,removingtheneedforthephysical[i.e.,mouse&keyboard]hardwarecomponentsnecessaryforadesktoporlaptopcomputer;and,anonscreen,hideablevirtualkeyboardisintegratedintothedisplay>.Availableinavarietyofsizes,eventhesmallest'stouchscreensaremuchlargerthanthoseofasmartphoneorpersonaldigitalassistant.AtabletcomputermaybeconnectedtoakeyboardwithawirelesslinkoraUSBport.Convertiblenotebookcomputershaveanintegratedkeyboardthatcanbehiddenbyaswiveljointorslidejoint,exposingonlythescreenfortouchoperation.Hybridshaveadetachablekeyboardsothatthetouchscreencanbeusedasastand-alonetablet.Bookletsincludedual-touchscreens,andcanbeusedasanotebookbydisplayingavirtualkeyboardinoneofthem.Notes:cursor[?k?:s?]n.光標(biāo)swivel[?swiv?l]n.旋軸；旋轉(zhuǎn)接頭detachable[di?t?t??bl]adj.可拆開的stand-aloneadj.獨(dú)立運(yùn)行的hybrids=hybridcomputer混合計(jì)算機(jī)booklet[?buklit]n.筆記本式平板電腦平板電腦,也叫平板,是個人計(jì)算機(jī)的一款,可移動,是一個整體.平板電腦主要依靠觸屏操作〔用戶的手指發(fā)揮了鼠標(biāo)和光標(biāo)的作用,替代了臺式和膝上電腦必須的物理硬件[即鼠標(biāo)和鍵盤].還有一個與顯示器整合的可隱藏的屏幕虛擬鍵盤.平板電腦型號多種,即使是最小的觸屏也比智能手機(jī)或個人數(shù)字助理的屏幕大多了.可以用無線連接或USB插口給平板電腦連接一個鍵盤.可旋轉(zhuǎn)筆記本電腦可以通過一個旋轉(zhuǎn)鉸鏈或一個滑動鉸鏈把集成的鍵盤隱藏起來,僅僅在需要觸摸時顯示.混合型計(jì)算機(jī)配有一個可拆分的鍵盤,這樣觸屏可以當(dāng)作一個單獨(dú)的平板電腦使用.筆記本平板電腦包括兩個觸屏,在其中一個觸屏上顯示虛擬鍵盤就可以作為筆記本使用.[Ex6]1.T2.T3.T4.F5.F6.T7.F8.T9.F10.T11.F12.T13.T14.TUnit3[Ex1]1.T2.F3.T4.T5.T6.T7.F8.F9.T10.F11.T12.F13.F14.T15.F[Ex2]1.microprocessor2.bus3.register4.controlunit5.processor6.binary7.arithmetic,logical8.milliseconds,microseconds,nanoseconds.9.instruction10.execution11.megahertz12.wordsize[Ex3]A.1.F2.A3.J4.C5.D6.E7.H8.I9.B10.G1.Storage2.chip3.registers4.ALU5.bus6.controlunit7.machinelanguage8.binarysystem9.bits10.computerprogram[Ex4]1.configuration2.converts3.databuses4.characters5.decodes6.synchronize7.circuitry8.internalclock[Ex.5]BusSystemsSupportingMultiplePeripheralsAsthenumberofpotentialperipheralsgrew,usinganexpansioncardforeveryperipheralbecameincreasinglyimpossible.Thishasledtotheintroductionofbussystemsdesignedspecificallytosupportmultipleperipherals.CommonexamplesaretheSATAportsinmoderncomputers,whichallowanumberofharddrivestobeconnectedwithouttheneedforacard.However,thesehigh-performancesystemsaregenerallytooexpensivetoimplementinlow-enddevices,likeamouse.Thishasledtotheparalleldevelopmentofanumberoflow-performancebussystemsforthesesolutions,themostcommonexamplebeingUniversalSerialBus.Allsuchexamplesmaybereferredtoasperipheralbuses,althoughthisterminologyisnotuniversal.Notes:1.SerialATA<SATA>isacomputerbusinterfaceforconnectinghostbusadapterstomassstoragedevicessuchasharddiskdrivesandopticaldrives.2.UniversalSerialBusUSB支持多種外接設(shè)備的總線系統(tǒng)隨著外接設(shè)備數(shù)量的不斷增加,想用擴(kuò)展卡來應(yīng)付每一種外圍設(shè)備越來越不現(xiàn)實(shí)了,這就產(chǎn)生了設(shè)計(jì)專門支持多種外接設(shè)備的總線系統(tǒng).通常的例子就是現(xiàn)代計(jì)算機(jī)上的SATA接口,這就允許很多硬盤驅(qū)動器不需要卡就可以同計(jì)算機(jī)連接起來.但是把這些高性能系統(tǒng)用于低端設(shè)備,如鼠標(biāo)等就很不合算.這就導(dǎo)致同時開發(fā)很多低性能的總線系統(tǒng)解決方案,最常見的例子就是UBS接口.所有這些例子都可以稱作外接設(shè)備總線,盡管這個術(shù)語還沒有普遍通用.[Ex6]1.T2.F3.F4.T5.T6.F7.T8.T9.T10FUnit4[Ex1]1.F2.T3.T4.T5.F6.T7.F8.T9.T10.T11.F12.T13.F14.T15.T16.F17.F18.T19.F20.T21.F22.T23.F24.T25.F[Ex2]1.mainmemory2.RAM3.diskettes/floppydisks;harddisks4.chips5.parity6.expanded,extended7.monochrome8.cache9.ROM10.updated[Ex3]A.1.B2.E3.C4.J5.I6.H7.A8.F9.G10D1.secondarystorage2.buffer3.access4.code5.diskette6.slots7.terminals8.motherboard9.bytes10.screen[Ex4]1.desktop2.software3.animation4.transferred5.sophisticated6.compatible7.cache8.upgrade[Ex5]USBflashdriveAUSBflashdriveisadatastoragedevicethatincludesflashmemorywithanintegratedUniversalSerialBus<USB>interface.USBflashdrivesaretypicallyremovableandrewritable,andphysicallymuchsmallerthanafloppydisk.Mostweighlessthan30g.AsofSeptember2011,drivesofupto256gigabytes<GB>areavailable.Storagecapacitiesaslargeas2terabytesareplanned,withsteadyimprovementsinsizeandpricepercapacityexpected.Someallowupto100,000write/erasecycles,dependingontheexacttypeofmemorychipused,anda10yearshelfstoragetime.USBflashdrivesareoftenusedforthesamepurposesforwhichfloppydisksorCD-ROMswereused,i.e.,forstorage,back-upandtransferofcomputerfiles.Theyaresmaller,faster,havethousandsoftimesmorecapacity,andaremoredurableandreliablebecausetheyhavenomovingparts.Untilabout2005,mostdesktopandlaptopcomputersweresuppliedwithfloppydiskdrives,butfloppydiskdriveshavebeenabandonedinfavorofUSBports.NotesGB:gigabyte吉字節(jié)109字節(jié)；terabyteTB太字節(jié),1012字節(jié)USB閃驅(qū)USB閃驅(qū)是一種數(shù)據(jù)存儲設(shè)備,它包含帶有一個集成的通用串行總線〔USB接口.USB閃驅(qū)通?？梢砸苿硬⒖梢灾貙?其尺寸要比軟盤小得多,大多數(shù)的重量不到30克.從2011年9月始,市場就出現(xiàn)256GB的U盤.2太字節(jié)的U盤在籌劃之中,估計(jì)U盤大小會更加合理,價格也更合適.有的U盤允許寫/擦10萬個循環(huán),這取決于存儲芯片的型號,儲存壽命可以達(dá)到10年時間.USB閃驅(qū)與軟盤或CD-ROM的目的相同,就是為了計(jì)算機(jī)文件的存儲、備份和轉(zhuǎn)移.因?yàn)樗鼈儧]有移動部件,所以體積更小,速度更快,擁有數(shù)千倍的容量,更加持久可靠.到2005年,大部分臺式和膝上電腦還都配備軟驅(qū),但是軟驅(qū)因?yàn)閁SB插口而被淘汰.[Ex.6]1.T2.F3.F4.T5.T6.T7.T8.F9.F10.F11.T12.T13.T14.F15.T16.F17.T18.T19.F20.T21.T22.TUnit5[Ex1]1.T2.T3.F4.T5.F6.F7.F8.T9.T10.T11.F12.T13.F14.F15.T16.T17.F18.T19.F20.F21.T22.T23.T[Ex2]1.mail,courier2.hub,star3.LocalAreaNetwork4.packets5.Ethernet6.kilobitspersecond,megabitspersecond,gigabitspersecond7.circuitswitching8.reassembled9.InternetProtocol,TransmissionControlProtocol10.datagram11.frames12.binary,decimal[Ex3]A.1.C2.E3.B4.F5.A6.D7.H8.GB.1.hub2.zipped3.decimal4.frame5.binarynumber6.Internet7.packet8.bandwidth[Ex4]1.forwarded2.reassembled3.areencapsulated4.cables5.bursty6.submit7.areretransmitted8.protocol[Ex5]1.E2.A3.C4.F5.B6.D7.H8.G[Ex6]有意為技術(shù)服務(wù)人員留下的拋棄、丟失或毀滅的數(shù)據(jù)都進(jìn)入到數(shù)據(jù)接受器中遠(yuǎn)遠(yuǎn)不能覆蓋絕大多數(shù)嫌疑人真正奇才所掌握的技術(shù)文件和程序1.系統(tǒng)詳情、擴(kuò)展其性能5.敏感信息的人滯緩的特性和控制開發(fā)的復(fù)雜性非常巧妙的權(quán)宜之計(jì),旨在解決很棘手的問題不能有效與他人溝通的人一個程序、數(shù)據(jù)結(jié)構(gòu)或全部程序的交叉指向不合適的新聞組打免費(fèi)長途電話了；通信網(wǎng)絡(luò),但不單指通信網(wǎng)絡(luò)眼睛疲勞無關(guān)緊要或令人討厭的瑣碎問題不會有人發(fā)現(xiàn)這些漏洞的,或發(fā)現(xiàn)了也不會利用受人雇傭,為測試系統(tǒng)的安全性而攻入某個地方那種使用許多GOTO、例外或另外的"非結(jié)構(gòu)的"分支構(gòu)造不能定期運(yùn)行適當(dāng)?shù)囊种瞥绦蚰撤N非常友好程序的遠(yuǎn)在沒有正式發(fā)行之前該技術(shù)也許不能發(fā)揮作用.如果不能用,程序員也永遠(yuǎn)不知道為什么Suns機(jī)上使用L1-A；某些Mac機(jī)使用!完全喪失功能了；計(jì)算機(jī)想做某事但不能進(jìn)行下去了人的神經(jīng)系統(tǒng),與計(jì)算機(jī)的硬件或軟件相對；系統(tǒng)的硬件或軟件那種在緊急狀況下能迅速發(fā)現(xiàn)并解決問題思想排外/思想保守Unit6[Ex1]1.F2.T3.F4.T5.T6.F7.F8.T9.T10.F11.F12.F13.T14.F[Ex2]1.compatible2.hardcopy3.terminal,monitor4.inkedribbon5.line6.Thermal7.Monochrome8.liquidcrystaldisplay[Ex3]A.1.G2.B3.I4.F5.D6.H7.C8.E9.J10.A1.printers2.hardcopy3.CRT4.hardware5.pixel6.output7.software8.Lineprinters9.plotters10.graphics[Ex4]1.areattached2.compatible3.flexible4.mechanism5.perform6.rotate7.transfer8.video[Ex5]ElectroluminescentDisplay〔電致發(fā)光顯示器Atypeofflat-paneldisplay〔平板顯示thatusesthepropertyofelectroluminescence,wherebyaphosphorwillemitphotonsofradiation〔光子輻射whenplacedinanelectricfield〔電場.Thephosphorisincorporatedinathincoatingonthescreen;anadditionalcoatingcanproducefullcolor.Electroluminescentscreensareusedinsomelarge-screendisplays,suchasairportannouncementboards.Nowadayselectroluminescentscreensaremainlyusedforsmalldisplaysincontrolpanelsanddomesticequipment.電致發(fā)光顯示器這是一種平板顯示器.把熒光粉放置在電場之中就能發(fā)射光子輻射,這就是平板顯示器使用的電致發(fā)光性能.屏幕上有薄薄的熒光粉涂層,這個添加涂層能產(chǎn)生全彩.電致發(fā)光屏幕用于某些巨大的顯示屏上,例如機(jī)場通告板.如今電致顯示屏主要用于控制板和家庭設(shè)施的小型顯示器上.[Ex.6]1.T2.F3.T4.F5.T6.F7.F8.T9.F10.T11.F12.T13.F14.T15.F16.T17.T18.T19.T20.F21.T22.F23.T24.T25.TUnit7[Ex1]1.T2.F3.T4.T5.F6.F7.T8.T9.F10.F11.F12.T13.F14.T15.T16.F17.T18.T19.F20.F[Ex2]1.printers,plotters2.graphics3.pins4.pagesperminute5.dotsperinch6.linesperminute7.non-impact8.carbon[Ex3]A.1.D2.F3.B4.A5.G6.E7.C8.H1.printwheel2.Microcomputers3.inkjetprinter4.network5.noise6.outputdevice7.desktoppublishing8.dot-matrixprinters[Ex4]1.installations2.categorized3.image4.ribbon5.monochrome6.physical7.referredto8.dot[Ex5]DigitalTechnologyofCopyMachineThereisanincreasingtrendfornewphotocopierstoadoptdigitaltechnology,thusreplacingtheolderanalogtechnology.Withdigitalcopying,thecopiereffectivelyconsistsofanintegratedscannerandlaserprinter.Thisdesignhasseveraladvantages,suchasautomaticimagequalityenhancementandtheabilityto"buildjobs"<thatis,toscanpageimagesindependentlyoftheprocessofprintingthem>.Somedigitalcopierscanfunctionashigh-speedscanners;suchmodelstypicallyoffertheabilitytosenddocumentsviaemailortomakethemavailableonfileservers.Agreatadvantageofdigitalcopiertechnologyis"automaticdigitalcollation."Forexample,whencopyingasetof20pages20times,adigitalcopierscanseachpageonlyonce,thenusesthestoredinformationtoproduce20sets.Inananalogcopier,eithereachpageisscanned20times<atotalof400scans>,makingonesetatatime,or20separateoutputtraysareusedforthe20sets.Notes:scanner掃描儀collation[k??lei?<?>n]n.校勘,核對tray托盤,文件盤復(fù)印機(jī)的數(shù)字技術(shù)新的復(fù)印機(jī)越來越趨向于采用數(shù)字技術(shù)替代老的模擬技術(shù).數(shù)字復(fù)印機(jī)有效地把掃描儀和激光打印機(jī)整合在一起,這種設(shè)計(jì)擁有數(shù)個優(yōu)勢,譬如自動圖形質(zhì)量提高,自動工作的能力〔掃描和打印互不干涉.有些數(shù)字復(fù)印機(jī)如同一個高速掃描儀,這樣的型號通常具有通過email發(fā)送文件的能力,或者給文件服務(wù)器提供文件.數(shù)字復(fù)印機(jī)的最大優(yōu)點(diǎn)在于它可以"自動數(shù)字校驗(yàn)".例如當(dāng)要復(fù)印20頁,每頁復(fù)印20份的時候,數(shù)字復(fù)印機(jī)只需每一頁掃描一次,然后使用儲存的信息復(fù)印20份.如果是模擬復(fù)印機(jī),要么每一頁都要掃描20次〔一共要掃描400次,一次復(fù)印一份；要么每頁復(fù)印20份,20頁分別放在20個輸出托盤中.[Ex.6]1.F2.T3.T4.T5.F6.T7.F8.T9.T10.F11.T12.T13.F14.F15.T16.F17.T18.F19.T20.T21.T22.F23.T24.TUnit8[Ex1]1.T2.F3.T4.T5.F6.T7.F8.F9.F10.T11.F12.T13.T14.F15.T16.T17.F18.T19.T20F21.F22.T23.T24.F[Ex2]1.Localareanetworks,wideareanetworks2.client-server3.bus4.protocol5.hardware6.microwaves7.adapter,router8.stack9.upper,lower10.layered[Ex3]A.1.D2.E3.F4.H5.A6.G7.B8.C1.C.server2.E.adapter3.D.topology4.G.microwave5.A.local6.H.inception7.B.wide8.F.Wireless[Ex4]1.layout2.accommodate3.conforms4.address5.interoperable6.session7.hasbeendesignated/wasdesignated等8.configuring[Ex5]1.H2.A3.F<transmits>4.C5.D6.E7.B8.G[Ex6]1.T2.T3.F4.T5.F6.F7.T8.T9.T10.T11.T12.F13.T14.T15.T16.F17.F18.T19.F20.T21.T22.T23.T24.F25.T26.T27.T28.F29.F30.F31.T32.T33.F34.T35.T36.F37.T38.F39.F40.F41.T42.T43.T44.FUnit9[Ex1]1.T2.T3.F4.T5.F6.F7.T8.T9.T10.F11.T12.F13.T14.F15.T16.T17.T18.F[Ex2]1.channels2.eletricalpulsesorcharges,eletromagneticwaves,pulseoflight3.telephonelines,coaxialcables,microwavesystems,satellitessystems,fiberopticcables4.telephonelines5.networks6.atmosphere7.microwavetower8.gigahertz9.digital10.light[Ex3]A.1.B2.D3.F4.G5.A6.C7.E8.H1.noise2.transmission3.Fiberoptics4.Microwave5.sychronous6.opticalmedia7.Coaxialcable8.digits[Ex4]1.communicate2.revolves3.detect4.encrypted5.nonconductive6.frequency7.susceptible8.relayed9.antenna10.Pulses[Ex5]SmartphoneToreallyunderstandwhatasmartphoneis<andisnot>,weshouldstartwithahistorylesson.Inthebeginning,therewerecellphonesandpersonaldigitalassistants<orPDAs>.Cellphoneswereusedformakingcalls--andnotmuchelse--whilePDAs,likethePalmPilot,wereusedaspersonal,portableorganizers.APDAcouldstoreyourcontactinfoandato-dolist,andcouldsyncwithyourcomputer.Eventually,PDAsgainedwirelessconnectivityandwereabletosendandreceivee-mail.Cellphones,meanwhile,gainedmessagingcapabilities,too.PDAsthenaddedcellularphonefeatures,whilecellphonesaddedmorePDA-like<andevencomputer-like>features.Theresultwasthesmartphone.智能手機(jī)要真正理解什么是智能手機(jī),什么不是智能手機(jī),我們應(yīng)該從了解歷史開始.起初人們使用手機(jī)和個人數(shù)字助理.手機(jī)只是用來打電話,而數(shù)字助理,如掌上電腦,是個人便攜式的記事本.一臺個人數(shù)字助理能儲存你的聯(lián)系信息以及將要處理的事情,可以和電腦同步.最終,個人數(shù)字助理開始了無線連接,能夠發(fā)送和接收電子郵件,而手機(jī)也具備了獲取信息的能力.個人數(shù)字助理添加手機(jī)功能,手機(jī)也增添個人數(shù)字助理〔甚至計(jì)算機(jī)的特性,其結(jié)果就是智能手機(jī).[Ex.6]1.F2.F3.T4.F5.F6.F7.T8.F9.T10.T11.T12.TUnit10[Ex1]1.F2.T3.T4.F5.T6.T7.T8.F9.F10.T11.F12.T13.F14.F15.T16.F17.T18.F19.T20.T[Ex2]1.download,contract/infect2.macros3.viruses4.timer5.client6.recognize7.reformat8.backup[Ex3]A.1.B2.E3.F4.A5.C6.G7.D8.H1.informative2.programmed/isprogramming等3.responsive4.attachment5.chatgroup6.Thebottomline7.inoperabl8.isscanned[Ex4]1.hasrendered2.embedded3.update4.arecontracted5.wired6.theorized7.replicate8.activated[Ex5]1.C2.G3.A4.F5.H6.B7.E8.D[Ex6]1.F2.T3.F4.T5.T6.T7.F8.F9.T10.F11.F12.T13.F14.F15.F16.F17.T18.T19.F20.F21.T22.T23.T24.T25.F26.FUnit11[Ex.1]1.T2.T3.F4.F5.T6.T7.F8.T9.T10.T11.F12.F13.F14.T15.T16.T17.T18.T19.F20.F[Ex2]1.HTML,thehypertextmarkuplanguage2.components3.ASCIIfiles4.markuptags5.webmaster6.Heads,tables,paragraphs,lists7.tags8.slash9.casesensitive10.required11.ViewSource12.template13.carriagereturns,spaces,linefeeds14.source[Ex3]A.1.C2.D3.H4.F5.E6.B7.A8.GB.1.bookmark2.browsers3.primer4.HTML5.link6.servers7.webmaster8.SearchEngines[Ex.4]1.用超文本標(biāo)識語言創(chuàng)建文檔2.為網(wǎng)絡(luò)創(chuàng)建文件3.文檔類型定義4.獨(dú)立平臺風(fēng)格5.網(wǎng)絡(luò)服務(wù)器6.局域視圖模式7.超文本標(biāo)識語言版本8.超文本標(biāo)識語言文檔9.純文本文件10.文本編輯器11.文字處理軟件12.帶分行符的文本13.超文本編輯器14.超文本標(biāo)識符的基本知識15.文字處理器16.使自己的文件登錄上網(wǎng)17.局域網(wǎng)18.提供免費(fèi)上因特網(wǎng)19.本地因特網(wǎng)供應(yīng)商20.免費(fèi)將文件登錄服務(wù)器21.用超文本標(biāo)識符標(biāo)志文件要素22.左尖括號23.標(biāo)識符名24.右尖括號25.標(biāo)識符指令26.圖片源文件超文本標(biāo)識符27.計(jì)較大小寫/鍵盤上下檔28.純骨架文檔29.一個樣式文件30.查看源文件31.帶有超文本語言標(biāo)識符的源文件32.超文本語言編碼信息33.文件擴(kuò)展名34.全球背景35.大號字或/和粗體字36.回車37.單詞移行38.回行[Ex5]WhatdoesHTMLstandfor?HTMLisanabbreviationof"HyperTextMark-upLanguage"-whichisalreadymorethanyouneedtoknowatthisstage.However,forthesakeofgoodorder,letusexplainingreaterdetail.Hyperistheoppositeoflinear.Inthegoodolddays-whenamousewassomethingthecatchased-computerprogramsranlinearly:whentheprogramhadexecutedoneactionitwenttothenextlineandafterthat,thenextlineandsoon.ButHTMLisdifferent-youcangowhereveryouwantandwheneveryouwant.Forexample,itisnotnecessarytovisitMSN.combeforeyouvisitHTML.net.Textisself-explanatory.Mark-upiswhatyoudowiththetext.Youaremarkingupthetextthesamewayyoudoinatexteditingprogramwithheadings,bulletsandboldtextandsoon.LanguageiswhatHTMLis.ItusesmanyEnglishwords.HTML代表什么？HTML是HyperTextMark-upLanguage〔超文本表示語言的縮寫形式,這超出現(xiàn)階段你應(yīng)該知道的內(nèi)容.但是為了有一個好的學(xué)習(xí)的順序,我們還是詳盡解釋一下為好.Hyper與線性相反.很早的時候,老鼠是貓追逐的對象——計(jì)算機(jī)程序?yàn)榫€性運(yùn)行：當(dāng)程序執(zhí)行了一個動作,就移動到下一行,然后再下一行等等.但是HTML不一樣了,你可以在任何時候到你想去的任何地方.例如你沒有必要在訪問HTML.net前先訪問MSN.com網(wǎng)站.Text是自我解釋性的.Mark-up就是處理文本,就如同在文本編輯程序中做標(biāo)題,添加黑圓點(diǎn),加粗等一樣給文本添加標(biāo)識.Language就是HTML.它使用許多英語單詞.[Ex.6]1.T2.T3.F4.F5.T6.F7.T8.T9.F10.T11.T12.F13.T14.T15.F16.T17.T18.F19.F20.TUnit12[Ex.1]1.F2.F3.T4.T5.T6.T7.T8.F9.F10.T11.F12.T13.T14.F15.T16.F17.T18.F19.T20.T[Ex2]1.analog2.relational3.distributed4.object-oriented5.privileges6.structuredquerylanguage7.columns,row8.infancy[Ex3]PartA1.C2.E3.F4.G5.A6.H7.B8.DPartB1.query2.database3.interface4.infancy5.profile6.tabular7.Interactive8.metadata[Ex.4].1.Legacy2.interconnected3.integrity4.intermittent5.converts6.dispersed7.reassembling8.access[Ex5]1.C2.G3.F4.H5.A6.E7.B8.D[Ex6]1.F2.T3.T4.T5.F6.T7.T8.F9.T10.T11.F12.T13.T14.T15.F16.T17.F18.T19.F20.T21.T22.F23.F24.F25.T26.T27.F28.T29.F30.T31.T32.T33.T34.T35.F36.TUnit13[Ex.1]1.F2.F3.T4.T5.F6.T7.T8.F9.T10.T11.F12.T13.F14.T15.F16.F17.T18.T19.F20.F21.T[Ex.2]1.functions,structures2.object3.messages4.blackboxes5.objectinstances6.Arguments7.client-server8.code,bugs9.specific,general10.C++[Ex.3]A.1.C2.E3.F4.B5.J6.H7.I8.D9.A10.GB.1.server2.clients3.database4.jargon5.programmers6.compiler7.Java8.codes9.C++programminglanguage10.informationhiding[Ex.4]1.buzzword2.acronym3.syntax4.browser5.intranet6.Interface7.network8.bystorm[Ex5]<1>feasibility<2>data<3>requirementsanalysis<4>systemrequirements<5>requirementsspecification<6>management/user<7>feasible<8>PhysicalUnit14[Ex1]1.F2.T3.F4.T5.F6.T7.F8.T9.T10.F11.T12.T13.F14.F15.F16.T17.T18.F19.F20.T21.T22.F23.T24.F25.F26.T27.T28.F29.T30.T31.T32.T33.F34.T35.T36.F37.F38.F39.F40.T[Ex2]A.1.D2.E3.F4.B5.H6.A7.C8.GB.1.webdirectory2.searchengine3.Webpages4.Webbrowsers5.metatags6.cachedpages7.proximitysearch8.marketshare[Ex3]1.resultin2.index3.refine4.customize5.personalize6.evolve7.mining8.isolates[Ex.4]A.1.網(wǎng)站主人使用robots.txt文件給網(wǎng)絡(luò)機(jī)器人〔webrobots就自己的網(wǎng)站的訪問權(quán)限下達(dá)指令,這就是機(jī)器人排除協(xié)議.工作的過程如下：機(jī)器人想訪問一個網(wǎng)站網(wǎng)址,譬如,訪問前它首先檢查里邊的robots.txt,即,發(fā)現(xiàn)：User-agent:*〔用戶代理：*Disallow:/〔不準(zhǔn),不接受User-agent:*〔用戶代理：*的意思是這部分可以適合所有的機(jī)器人.Disallow:/〔不準(zhǔn),不接受告訴機(jī)器人,這個網(wǎng)站的任何網(wǎng)頁都不允許訪問.在使用robots.txt的時候有兩件重要的事情必須想到：機(jī)器人可以忽略你的robots.txt,尤其是惡意機(jī)器人,專門尋找網(wǎng)絡(luò)的安全漏洞；還有垃圾郵件散發(fā)者使用的ema