【答案】计算机专业英语阅读y 过程性评测(24)【参考答案】

判断题:11道,每道2分,总分22 1.Itisamajorproblemfortheoperatingsystemtomapthelogicalfileconceptontophysicalstoragedevicessuchasmagnetictapeordisk. 正确 错误 2.Thescannerconvertstheexternalviewofthesourceprogramintoaninternalformatmoresuitedforfurthermanipulationbytheremainderofthecompiler. 正确 错误 3.Errorrecoverydoesnotbelongtooperatingsystem. 正确 错误 4.Devicedrivesallowcommunicationsbetweenparticulardeviceandthecomputersystem. 正确 错误 5.Languagetranslatorsconvertoneprogramminglanguagetoanother. 正确 错误 6."Interrupthardware"allowstheoperatingsystemtocoordinateoperationsgoingonsimultaneously;italsoallowsthesequentialflowofaprogram. 正确 错误 7.Oncetheoperatingsystemacceptsauser'sjob,itmaycreateoneprocess. 正确 错误 8.Manyoperatingsystemshavesimilarcharacteristics. 正确 错误 9.Thecodegeneratortakesthesourcecodeitreceivestheoptimizaerandproducesassemblyormachinelanguagecode. 正确 错误 10.Oneofthefunctionsofanoperatingsystemismemorymanagement. 正确 错误 11.Thelifecycleofaprocesscanberepresentedbytransitionsbetweensubmit,hold,run,waitandcomplete. 正确 错误 单选题:20道,每道3分,总分60 1.（）ispermanentlystoredinthecomputerandprovidesalinkbetweenthehardwareandotherprogramsthatrunonthePC. Interface Operatingsystem Internet Applicationsoftware 2.Programswritteninallotherkindsoflanguagesaretranslatedinto()beforetheyareperformed. machinelanguage high-levellanguage fourth-generationlanguage assemblylanguage 3.Computersystemsconsistoftwoverydifferenttypesofelements:Hardware,whichincludesallthephysicalthingsthatcanbetouchedand（）,whichtellsthehardwarehowtodo. Operatingsystem I/Odevices Courseware Software 4.()drivescaneraseandstoredata. CD-ROM DVD-ROM Harddisk Allofabove 5.The()turnstheobjectfileintoanexecutableprogram. linker compiler interpreter computer 6.（）：Aseriesofinstructions(commands)performedinasequencespecifyingactionstoaccomplishatask. menu tool program hardware 7.()isanoperatingsystemthatwasinitiallycreatedasahobbybyayoungstudent. Linux UNIX DOS Windows 8.A（）isafunctionalunitthatinterpretsandcarriesoutinstructions. memory processor storage network 9.Theterm"（）program"meansaprogramwritteninhigh-levellanguage. compiler executable source object 10.The（）hasseveralmajorcomponents,includingthesystemkernel,amemorymanagementsystem,thefilesystemmanager,devicedrivers,andthesystemlibraries. application informationsystem network operatingsystem 11.()isnotthebasichardwarecomponentofcomputers. keyboard display operatingsystem memory 12.Thetwogoalsofanoperationsystemare（）andefficiency. convenience quick optimize standardize 13.()referstothepartsofthecomputerthatyoucanseeandtouch. Software Hardware Hardship Instruction 14.Asanoperatingsystemrepeatedlyallocatesandfreesstoragespace,manyphysicallyseparatedunusedareasappear.Thisphenomenoniscalled（）. fragmentation compaction swapping paging 15.Everyvalidcharacterinacomputerthatuseseven（）mustalwayshaveanevennumberor1bits. parity check test compare 16.（）isthefoundationonwhichapplicationsarebuilt. User Display Printer Operationsystem 17.Themostimportantprogramonanycomputeris(). OperatingSystem Virus software Office2000 18.The（）isacollectionofmodulesservingasinterfacebetweenhardwareandsoftwaretoprovideasoftwareplatform. computer processor applicationsoftware operatingsystem 19.（）：Theprocessofidentifyingandcorrectingerrorsinaprogram. Debug Bug Fault Default 20.()isafastandpowerfuloperatingsystem,basedontheUNIXO.S. Windows2000 Office2000 Windows98 Linux 多选题:9道,每道2分,总分18多选题:9道,每道2分,总分18 1.Viewingtheoperatingsystemasaresourcemanager,eachmanagermustdothefollowing:(). Keepingtrackoftheresources. Enforcepolicythatdetermineswhogetswhat,whenandhowmuch. Allocatetheresource. Reclaimtheresource. 2.Themostexistingcompilersinvolveseveralmajorcomponents.Theyarescanner,optimize,(). intermediatecodegenerator tables codegenerator semanticprocessor parser 3.Thescannerhasseveralroles:(). identifythebasiclexicalunitsoftheprogram removecomments reporterrorswhichitdiscovers removeextraneousblanks,carriagereturnsandothercharacteristicsoftheinputmedium 4.Wedividedparserintotwoclasses:(). top-down top-bottom up-down bottom-up 5.Therearethreestagesoferrorprocessing:(). detection token reporting recovery 6.Ajobmaybedividedintothreesteps:(). read compile load execute 7.Thefunctionofcomputerhardwareistypicallydividedintothreemaincategories.Theyare(). input output cpu storage motherboard 8.Optimizationtechniqueswhichareperformedattheobjectprogramlevelareapplicabletomachinelanguage.Themainmethodsusedare:(). loopoptimization folding registerallocation optimizationforparallelprocessor 9.Theendequipmentinacommunicationsystemincludes(). computers DCE CRTs keyboards