【答案】计算机专业英语阅读y 过程性评测(28)【参考答案】

判断题:11道,每道2分,总分22 1.Everyprogramminglanguagehasthesamesetofgrammerrules. 正确 错误 2.Thecodegeneratortakesthesourcecodeitreceivestheoptimizaerandproducesassemblyormachinelanguagecode. 正确 错误 3.Oncetheoperatingsystemacceptsauser'sjob,itmaycreateoneprocess. 正确 错误 4.Thelifecycleofaprocesscanberepresentedbytransitionsbetweensubmit,hold,run,waitandcomplete. 正确 错误 5.Oneofthefunctionsofanoperatingsystemismemorymanagement. 正确 错误 6.Multiprogrammingisatermgiventoasystemthatmayhaveseveralprocessesin"statesofexecution"atthesametime. 正确 错误 7.Operatingsystemsareusedtomanagecomputerresources. 正确 错误 8.Manyoperatingsystemshavesimilarcharacteristics. 正确 错误 9.Itisamajorproblemfortheoperatingsystemtomapthelogicalfileconceptontophysicalstoragedevicessuchasmagnetictapeordisk. 正确 错误 10.Languagetranslatorsconvertoneprogramminglanguagetoanother. 正确 错误 11.Errorrecoverydoesnotbelongtooperatingsystem. 正确 错误 单选题:20道,每道3分,总分60 1.Themostimportantprogramonanycomputeris(). OperatingSystem Virus software Office2000 2.（）：Aseriesofinstructions(commands)performedinasequencespecifyingactionstoaccomplishatask. menu tool program hardware 3.Verylong,complexexpressionsinprogramaredifficulttowritecorrectlyanddifficultto（）. defend detect default debug 4.Programswritteninallotherkindsoflanguagesaretranslatedinto()beforetheyareperformed. machinelanguage high-levellanguage fourth-generationlanguage assemblylanguage 5.Allmodern（）aremultitaskingandcansupportrunningseveralprocessessimultaneously. database operatingsystem MIS DOS 6.（）：Theprocessofidentifyingandcorrectingerrorsinaprogram. Debug Bug Fault Default 7.Thetwogoalsofanoperationsystemare（）andefficiency. convenience quick optimize standardize 8.Asanoperatingsystemrepeatedlyallocatesandfreesstoragespace,manyphysicallyseparatedunusedareasappear.Thisphenomenoniscalled（）. fragmentation compaction swapping paging 9.Theusermustinteractwiththe（）inordertoaccomplishtask. printer memory CPU operatingsystem 10.()isafastandpowerfuloperatingsystem,basedontheUNIXO.S. Windows2000 Office2000 Windows98 Linux 11.()drivescaneraseandstoredata. CD-ROM DVD-ROM Harddisk Allofabove 12.()referstothepartsofthecomputerthatyoucanseeandtouch. Software Hardware Hardship Instruction 13.Insufficient（）cancauseaprocessortoworkat50%orevenmorebelowitsperformancepotential. mouse I/O document memory 14.A（）consistsofthesymbols,characters,andusagerulesthatpermitpeopletocommunicatewithcomputer. programminglanguage network keyboard display 15.Whensavingadocumentyoumustdecideonanameforthedocumentandthe（）whereitwillbesavedto. location size title attribute 16.Singleprogramoperatingsystemsallow()user(s)torun()program(s)atonetime. oneormorethanone/one one/one morethanone/morethanone one/oneormorethanone 17.（）isthefoundationonwhichapplicationsarebuilt. User Display Printer Operationsystem 18.（）：Anerrorcanbecausedbyattemptingtodivideby0. Interrupt Default Underflow Overflow 19.Theprogramandthedataarekeptinsidethecomputerinaplacecalled（）. bus cache CPU memory 20.A（）isafunctionalunitthatinterpretsandcarriesoutinstructions. memory processor storage network 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.Thefunctionofcomputerhardwareistypicallydividedintothreemaincategories.Theyare(). input output cpu storage motherboard 2.Therearethreestagesoferrorprocessing:(). detection token reporting recovery 3.Wedividedparserintotwoclasses:(). top-down top-bottom up-down bottom-up 4.Optimizationtechniqueswhichareperformedattheobjectprogramlevelareapplicabletomachinelanguage.Themainmethodsusedare:(). loopoptimization folding registerallocation optimizationforparallelprocessor 5.Ajobmaybedividedintothreesteps:(). read compile load execute 6.Viewingtheoperatingsystemasaresourcemanager,eachmanagermustdothefollowing:(). Keepingtrackoftheresources. Enforcepolicythatdetermineswhogetswhat,whenandhowmuch. Allocatetheresource. Reclaimtheresource. 7.Theendequipmentinacommunicationsystemincludes(). computers DCE CRTs keyboards 8.Thescannerhasseveralroles:(). identifythebasiclexicalunitsoftheprogram removecomments reporterrorswhichitdiscovers removeextraneousblanks,carriagereturnsandothercharacteristicsoftheinputmedium 9.Themostexistingcompilersinvolveseveralmajorcomponents.Theyarescanner,optimize,(). intermediatecodegenerator tables codegenerator semanticprocessor parser