【答案】计算机专业英语阅读y 过程性评测(25)【参考答案】

判断题:11道,每道2分,总分22 1.Assembler-levellanguagesusesmnemonicstorepresentinstructions. 正确 错误 2.Errorrecoverydoesnotbelongtooperatingsystem. 正确 错误 3.Thelifecycleofaprocesscanberepresentedbytransitionsbetweensubmit,hold,run,waitandcomplete. 正确 错误 4.Oncetheoperatingsystemacceptsauser'sjob,itmaycreateoneprocess. 正确 错误 5.Thecodegeneratortakesthesourcecodeitreceivestheoptimizaerandproducesassemblyormachinelanguagecode. 正确 错误 6."Interrupthardware"allowstheoperatingsystemtocoordinateoperationsgoingonsimultaneously;italsoallowsthesequentialflowofaprogram. 正确 错误 7.Itisamajorproblemfortheoperatingsystemtomapthelogicalfileconceptontophysicalstoragedevicessuchasmagnetictapeordisk. 正确 错误 8.Multiprogrammingisatermgiventoasystemthatmayhaveseveralprocessesin"statesofexecution"atthesametime. 正确 错误 9.Languagetranslatorsconvertoneprogramminglanguagetoanother. 正确 错误 10.Manyoperatingsystemshavesimilarcharacteristics. 正确 错误 11.Oneofthefunctionsofanoperatingsystemismemorymanagement. 正确 错误 单选题:20道,每道3分,总分60 1.Theprogramandthedataarekeptinsidethecomputerinaplacecalled（）. bus cache CPU memory 2.()isanoperatingsystemthatwasinitiallycreatedasahobbybyayoungstudent. Linux UNIX DOS Windows 3.()drivescaneraseandstoredata. CD-ROM DVD-ROM Harddisk Allofabove 4.（）ispermanentlystoredinthecomputerandprovidesalinkbetweenthehardwareandotherprogramsthatrunonthePC. Interface Operatingsystem Internet Applicationsoftware 5.（）：Anerrorcanbecausedbyattemptingtodivideby0. Interrupt Default Underflow Overflow 6.Asanoperatingsystemrepeatedlyallocatesandfreesstoragespace,manyphysicallyseparatedunusedareasappear.Thisphenomenoniscalled（）. fragmentation compaction swapping paging 7.Whenaprogramhasnosyntaxerrors,thecompilerfinishes()theprogram,thesourcecode,andgeneratesanobjectcodefile. compiling interpreting assembling operating 8.Theterm"（）program"meansaprogramwritteninhigh-levellanguage. compiler executable source object 9.()allowmorethanoneprogramtoberunatthesametimeonthecomputer. Singleprogramoperatingsystems MultiprocessingOperatingsystems VirtualmachineOperatingsystems Multiprogrammingoperatingsystems 10.Thetwogoalsofanoperationsystemare（）andefficiency. convenience quick optimize standardize 11.Theusermustinteractwiththe（）inordertoaccomplishtask. printer memory CPU operatingsystem 12.Programswritteninallotherkindsoflanguagesaretranslatedinto()beforetheyareperformed. machinelanguage high-levellanguage fourth-generationlanguage assemblylanguage 13.Everyvalidcharacterinacomputerthatuseseven（）mustalwayshaveanevennumberor1bits. parity check test compare 14.()isnotthebasichardwarecomponentofcomputers. keyboard display operatingsystem memory 15.Todocumentyourcodecanincreseprogram（）andmakeprogrameasiertomaintain. reliability security readability usability 16.Allmodern（）aremultitaskingandcansupportrunningseveralprocessessimultaneously. database operatingsystem MIS DOS 17.The()turnstheobjectfileintoanexecutableprogram. linker compiler interpreter computer 18.The（）isacollectionofmodulesservingasinterfacebetweenhardwareandsoftwaretoprovideasoftwareplatform. computer processor applicationsoftware operatingsystem 19.（）isthefoundationonwhichapplicationsarebuilt. User Display Printer Operationsystem 20.The（）hasseveralmajorcomponents,includingthesystemkernel,amemorymanagementsystem,thefilesystemmanager,devicedrivers,andthesystemlibraries. application informationsystem network operatingsystem 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.Optimizationtechniqueswhichareperformedattheobjectprogramlevelareapplicabletomachinelanguage.Themainmethodsusedare:(). loopoptimization folding registerallocation optimizationforparallelprocessor 2.Theendequipmentinacommunicationsystemincludes(). computers DCE CRTs keyboards 3.Ajobmaybedividedintothreesteps:(). read compile load execute 4.Viewingtheoperatingsystemasaresourcemanager,eachmanagermustdothefollowing:(). Keepingtrackoftheresources. Enforcepolicythatdetermineswhogetswhat,whenandhowmuch. Allocatetheresource. Reclaimtheresource. 5.Themostexistingcompilersinvolveseveralmajorcomponents.Theyarescanner,optimize,(). intermediatecodegenerator tables codegenerator semanticprocessor parser 6.Thefunctionofcomputerhardwareistypicallydividedintothreemaincategories.Theyare(). input output cpu storage motherboard 7.Thescannerhasseveralroles:(). identifythebasiclexicalunitsoftheprogram removecomments reporterrorswhichitdiscovers removeextraneousblanks,carriagereturnsandothercharacteristicsoftheinputmedium 8.Therearethreestagesoferrorprocessing:(). detection token reporting recovery 9.Wedividedparserintotwoclasses:(). top-down top-bottom up-down bottom-up