【答案】计算机专业英语阅读y 过程性评测(22)【参考答案】

判断题:11道,每道2分,总分22 1.Oncetheoperatingsystemacceptsauser'sjob,itmaycreateoneprocess. 正确 错误 2.Languagetranslatorsconvertoneprogramminglanguagetoanother. 正确 错误 3.Itisamajorproblemfortheoperatingsystemtomapthelogicalfileconceptontophysicalstoragedevicessuchasmagnetictapeordisk. 正确 错误 4.Errorrecoverydoesnotbelongtooperatingsystem. 正确 错误 5.Thelifecycleofaprocesscanberepresentedbytransitionsbetweensubmit,hold,run,waitandcomplete. 正确 错误 6.Operatingsystemsareusedtomanagecomputerresources. 正确 错误 7.Thescannerconvertstheexternalviewofthesourceprogramintoaninternalformatmoresuitedforfurthermanipulationbytheremainderofthecompiler. 正确 错误 8."Interrupthardware"allowstheoperatingsystemtocoordinateoperationsgoingonsimultaneously;italsoallowsthesequentialflowofaprogram. 正确 错误 9.Everyprogramminglanguagehasthesamesetofgrammerrules. 正确 错误 10.Multiprogrammingisatermgiventoasystemthatmayhaveseveralprocessesin"statesofexecution"atthesametime. 正确 错误 11.Manyoperatingsystemshavesimilarcharacteristics. 正确 错误 单选题:20道,每道3分,总分60 1.The（）hasseveralmajorcomponents,includingthesystemkernel,amemorymanagementsystem,thefilesystemmanager,devicedrivers,andthesystemlibraries. application informationsystem network operatingsystem 2.Insufficient（）cancauseaprocessortoworkat50%orevenmorebelowitsperformancepotential. mouse I/O document memory 3.()isafastandpowerfuloperatingsystem,basedontheUNIXO.S. Windows2000 Office2000 Windows98 Linux 4.Theusermustinteractwiththe（）inordertoaccomplishtask. printer memory CPU operatingsystem 5.Whensavingadocumentyoumustdecideonanameforthedocumentandthe（）whereitwillbesavedto. location size title attribute 6.Computersystemsconsistoftwoverydifferenttypesofelements:Hardware,whichincludesallthephysicalthingsthatcanbetouchedand（）,whichtellsthehardwarehowtodo. Operatingsystem I/Odevices Courseware Software 7.（）：Theprocessofidentifyingandcorrectingerrorsinaprogram. Debug Bug Fault Default 8.A（）isafunctionalunitthatinterpretsandcarriesoutinstructions. memory processor storage network 9.Theprogramandthedataarekeptinsidethecomputerinaplacecalled（）. bus cache CPU memory 10.()drivescaneraseandstoredata. CD-ROM DVD-ROM Harddisk Allofabove 11.()referstothepartsofthecomputerthatyoucanseeandtouch. Software Hardware Hardship Instruction 12.Programswritteninallotherkindsoflanguagesaretranslatedinto()beforetheyareperformed. machinelanguage high-levellanguage fourth-generationlanguage assemblylanguage 13.Thetwogoalsofanoperationsystemare（）andefficiency. convenience quick optimize standardize 14.Whenaprogramhasnosyntaxerrors,thecompilerfinishes()theprogram,thesourcecode,andgeneratesanobjectcodefile. compiling interpreting assembling operating 15.The()turnstheobjectfileintoanexecutableprogram. linker compiler interpreter computer 16.（）：Anerrorcanbecausedbyattemptingtodivideby0. Interrupt Default Underflow Overflow 17.()isnotthebasichardwarecomponentofcomputers. keyboard display operatingsystem memory 18.A（）consistsofthesymbols,characters,andusagerulesthatpermitpeopletocommunicatewithcomputer. programminglanguage network keyboard display 19.（）isthefoundationonwhichapplicationsarebuilt. User Display Printer Operationsystem 20.()isanoperatingsystemthatwasinitiallycreatedasahobbybyayoungstudent. Linux UNIX DOS Windows 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.Thescannerhasseveralroles:(). identifythebasiclexicalunitsoftheprogram removecomments reporterrorswhichitdiscovers removeextraneousblanks,carriagereturnsandothercharacteristicsoftheinputmedium 4.Viewingtheoperatingsystemasaresourcemanager,eachmanagermustdothefollowing:(). Keepingtrackoftheresources. Enforcepolicythatdetermineswhogetswhat,whenandhowmuch. Allocatetheresource. Reclaimtheresource. 5.Themostexistingcompilersinvolveseveralmajorcomponents.Theyarescanner,optimize,(). intermediatecodegenerator tables codegenerator semanticprocessor parser 6.Optimizationtechniqueswhichareperformedattheobjectprogramlevelareapplicabletomachinelanguage.Themainmethodsusedare:(). loopoptimization folding registerallocation optimizationforparallelprocessor 7.Wedividedparserintotwoclasses:(). top-down top-bottom up-down bottom-up 8.Ajobmaybedividedintothreesteps:(). read compile load execute 9.Thefunctionofcomputerhardwareistypicallydividedintothreemaincategories.Theyare(). input output cpu storage motherboard