【答案】计算机专业英语阅读y 过程性评测(21)【参考答案】

判断题:11道,每道2分,总分22 1.Multiprogrammingisatermgiventoasystemthatmayhaveseveralprocessesin"statesofexecution"atthesametime. 正确 错误 2.Thecodegeneratortakesthesourcecodeitreceivestheoptimizaerandproducesassemblyormachinelanguagecode. 正确 错误 3.Assembler-levellanguagesusesmnemonicstorepresentinstructions. 正确 错误 4.Errorrecoverydoesnotbelongtooperatingsystem. 正确 错误 5."Interrupthardware"allowstheoperatingsystemtocoordinateoperationsgoingonsimultaneously;italsoallowsthesequentialflowofaprogram. 正确 错误 6.Manyoperatingsystemshavesimilarcharacteristics. 正确 错误 7.Thelifecycleofaprocesscanberepresentedbytransitionsbetweensubmit,hold,run,waitandcomplete. 正确 错误 8.Oncetheoperatingsystemacceptsauser'sjob,itmaycreateoneprocess. 正确 错误 9.Itisamajorproblemfortheoperatingsystemtomapthelogicalfileconceptontophysicalstoragedevicessuchasmagnetictapeordisk. 正确 错误 10.Everyprogramminglanguagehasthesamesetofgrammerrules. 正确 错误 11.Operatingsystemsareusedtomanagecomputerresources. 正确 错误 单选题:20道,每道3分,总分60 1.A（）isafunctionalunitthatinterpretsandcarriesoutinstructions. memory processor storage network 2.Whenaprogramhasnosyntaxerrors,thecompilerfinishes()theprogram,thesourcecode,andgeneratesanobjectcodefile. compiling interpreting assembling operating 3.()drivescaneraseandstoredata. CD-ROM DVD-ROM Harddisk Allofabove 4.()isnotthebasichardwarecomponentofcomputers. keyboard display operatingsystem memory 5.Programswritteninallotherkindsoflanguagesaretranslatedinto()beforetheyareperformed. machinelanguage high-levellanguage fourth-generationlanguage assemblylanguage 6.The（）isacollectionofmodulesservingasinterfacebetweenhardwareandsoftwaretoprovideasoftwareplatform. computer processor applicationsoftware operatingsystem 7.Theusermustinteractwiththe（）inordertoaccomplishtask. printer memory CPU operatingsystem 8.（）：Anerrorcanbecausedbyattemptingtodivideby0. Interrupt Default Underflow Overflow 9.()isanoperatingsystemthatwasinitiallycreatedasahobbybyayoungstudent. Linux UNIX DOS Windows 10.（）isthefoundationonwhichapplicationsarebuilt. User Display Printer Operationsystem 11.()isafastandpowerfuloperatingsystem,basedontheUNIXO.S. Windows2000 Office2000 Windows98 Linux 12.()referstothepartsofthecomputerthatyoucanseeandtouch. Software Hardware Hardship Instruction 13.The（）hasseveralmajorcomponents,includingthesystemkernel,amemorymanagementsystem,thefilesystemmanager,devicedrivers,andthesystemlibraries. application informationsystem network operatingsystem 14.Verylong,complexexpressionsinprogramaredifficulttowritecorrectlyanddifficultto（）. defend detect default debug 15.Thetwogoalsofanoperationsystemare（）andefficiency. convenience quick optimize standardize 16.Singleprogramoperatingsystemsallow()user(s)torun()program(s)atonetime. oneormorethanone/one one/one morethanone/morethanone one/oneormorethanone 17.（）：Aseriesofinstructions(commands)performedinasequencespecifyingactionstoaccomplishatask. menu tool program hardware 18.A（）consistsofthesymbols,characters,andusagerulesthatpermitpeopletocommunicatewithcomputer. programminglanguage network keyboard display 19.（）ispermanentlystoredinthecomputerandprovidesalinkbetweenthehardwareandotherprogramsthatrunonthePC. Interface Operatingsystem Internet Applicationsoftware 20.Insufficient（）cancauseaprocessortoworkat50%orevenmorebelowitsperformancepotential. mouse I/O document memory 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.Thescannerhasseveralroles:(). identifythebasiclexicalunitsoftheprogram removecomments reporterrorswhichitdiscovers removeextraneousblanks,carriagereturnsandothercharacteristicsoftheinputmedium 2.Thefunctionofcomputerhardwareistypicallydividedintothreemaincategories.Theyare(). input output cpu storage motherboard 3.Wedividedparserintotwoclasses:(). top-down top-bottom up-down bottom-up 4.Ajobmaybedividedintothreesteps:(). read compile load execute 5.Optimizationtechniqueswhichareperformedattheobjectprogramlevelareapplicabletomachinelanguage.Themainmethodsusedare:(). loopoptimization folding registerallocation optimizationforparallelprocessor 6.Themostexistingcompilersinvolveseveralmajorcomponents.Theyarescanner,optimize,(). intermediatecodegenerator tables codegenerator semanticprocessor parser 7.Theendequipmentinacommunicationsystemincludes(). computers DCE CRTs keyboards 8.Therearethreestagesoferrorprocessing:(). detection token reporting recovery 9.Viewingtheoperatingsystemasaresourcemanager,eachmanagermustdothefollowing:(). Keepingtrackoftheresources. Enforcepolicythatdetermineswhogetswhat,whenandhowmuch. Allocatetheresource. Reclaimtheresource.