【答案】计算机专业英语阅读y 过程性评测(23)【参考答案】

判断题:11道,每道2分,总分22 1.Everyprogramminglanguagehasthesamesetofgrammerrules. 正确 错误 2.Operatingsystemsareusedtomanagecomputerresources. 正确 错误 3.Assembler-levellanguagesusesmnemonicstorepresentinstructions. 正确 错误 4.Manyoperatingsystemshavesimilarcharacteristics. 正确 错误 5.Oncetheoperatingsystemacceptsauser'sjob,itmaycreateoneprocess. 正确 错误 6.Thelifecycleofaprocesscanberepresentedbytransitionsbetweensubmit,hold,run,waitandcomplete. 正确 错误 7.Itisamajorproblemfortheoperatingsystemtomapthelogicalfileconceptontophysicalstoragedevicessuchasmagnetictapeordisk. 正确 错误 8.Oneofthefunctionsofanoperatingsystemismemorymanagement. 正确 错误 9.Thecodegeneratortakesthesourcecodeitreceivestheoptimizaerandproducesassemblyormachinelanguagecode. 正确 错误 10.Multiprogrammingisatermgiventoasystemthatmayhaveseveralprocessesin"statesofexecution"atthesametime. 正确 错误 11."Interrupthardware"allowstheoperatingsystemtocoordinateoperationsgoingonsimultaneously;italsoallowsthesequentialflowofaprogram. 正确 错误 单选题:20道,每道3分,总分60 1.The()turnstheobjectfileintoanexecutableprogram. linker compiler interpreter computer 2.Insufficient（）cancauseaprocessortoworkat50%orevenmorebelowitsperformancepotential. mouse I/O document memory 3.Singleprogramoperatingsystemsallow()user(s)torun()program(s)atonetime. oneormorethanone/one one/one morethanone/morethanone one/oneormorethanone 4.（）：Anerrorcanbecausedbyattemptingtodivideby0. Interrupt Default Underflow Overflow 5.Theusermustinteractwiththe（）inordertoaccomplishtask. printer memory CPU operatingsystem 6.Everyvalidcharacterinacomputerthatuseseven（）mustalwayshaveanevennumberor1bits. parity check test compare 7.Allmodern（）aremultitaskingandcansupportrunningseveralprocessessimultaneously. database operatingsystem MIS DOS 8.A（）consistsofthesymbols,characters,andusagerulesthatpermitpeopletocommunicatewithcomputer. programminglanguage network keyboard display 9.Asanoperatingsystemrepeatedlyallocatesandfreesstoragespace,manyphysicallyseparatedunusedareasappear.Thisphenomenoniscalled（）. fragmentation compaction swapping paging 10.（）ispermanentlystoredinthecomputerandprovidesalinkbetweenthehardwareandotherprogramsthatrunonthePC. Interface Operatingsystem Internet Applicationsoftware 11.Computersystemsconsistoftwoverydifferenttypesofelements:Hardware,whichincludesallthephysicalthingsthatcanbetouchedand（）,whichtellsthehardwarehowtodo. Operatingsystem I/Odevices Courseware Software 12.Verylong,complexexpressionsinprogramaredifficulttowritecorrectlyanddifficultto（）. defend detect default debug 13.()isafastandpowerfuloperatingsystem,basedontheUNIXO.S. Windows2000 Office2000 Windows98 Linux 14.Todocumentyourcodecanincreseprogram（）andmakeprogrameasiertomaintain. reliability security readability usability 15.The（）isacollectionofmodulesservingasinterfacebetweenhardwareandsoftwaretoprovideasoftwareplatform. computer processor applicationsoftware operatingsystem 16.()isnotthebasichardwarecomponentofcomputers. keyboard display operatingsystem memory 17.Thetwogoalsofanoperationsystemare（）andefficiency. convenience quick optimize standardize 18.Whensavingadocumentyoumustdecideonanameforthedocumentandthe（）whereitwillbesavedto. location size title attribute 19.（）isthefoundationonwhichapplicationsarebuilt. User Display Printer Operationsystem 20.（）：Theprocessofidentifyingandcorrectingerrorsinaprogram. Debug Bug Fault Default 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.Therearethreestagesoferrorprocessing:(). detection token reporting recovery 2.Theendequipmentinacommunicationsystemincludes(). computers DCE CRTs keyboards 3.Thefunctionofcomputerhardwareistypicallydividedintothreemaincategories.Theyare(). input output cpu storage motherboard 4.Viewingtheoperatingsystemasaresourcemanager,eachmanagermustdothefollowing:(). Keepingtrackoftheresources. Enforcepolicythatdetermineswhogetswhat,whenandhowmuch. Allocatetheresource. Reclaimtheresource. 5.Thescannerhasseveralroles:(). identifythebasiclexicalunitsoftheprogram removecomments reporterrorswhichitdiscovers removeextraneousblanks,carriagereturnsandothercharacteristicsoftheinputmedium 6.Ajobmaybedividedintothreesteps:(). read compile load execute 7.Wedividedparserintotwoclasses:(). top-down top-bottom up-down bottom-up 8.Optimizationtechniqueswhichareperformedattheobjectprogramlevelareapplicabletomachinelanguage.Themainmethodsusedare:(). loopoptimization folding registerallocation optimizationforparallelprocessor 9.Themostexistingcompilersinvolveseveralmajorcomponents.Theyarescanner,optimize,(). intermediatecodegenerator tables codegenerator semanticprocessor parser