【答案】计算机专业英语阅读y 过程性评测(29)【参考答案】

判断题:11道,每道2分,总分22 1.Errorrecoverydoesnotbelongtooperatingsystem. 正确 错误 2."Interrupthardware"allowstheoperatingsystemtocoordinateoperationsgoingonsimultaneously;italsoallowsthesequentialflowofaprogram. 正确 错误 3.Thecodegeneratortakesthesourcecodeitreceivestheoptimizaerandproducesassemblyormachinelanguagecode. 正确 错误 4.Multiprogrammingisatermgiventoasystemthatmayhaveseveralprocessesin"statesofexecution"atthesametime. 正确 错误 5.Devicedrivesallowcommunicationsbetweenparticulardeviceandthecomputersystem. 正确 错误 6.Operatingsystemsareusedtomanagecomputerresources. 正确 错误 7.Oncetheoperatingsystemacceptsauser'sjob,itmaycreateoneprocess. 正确 错误 8.Manyoperatingsystemshavesimilarcharacteristics. 正确 错误 9.Languagetranslatorsconvertoneprogramminglanguagetoanother. 正确 错误 10.Thelifecycleofaprocesscanberepresentedbytransitionsbetweensubmit,hold,run,waitandcomplete. 正确 错误 11.Thescannerconvertstheexternalviewofthesourceprogramintoaninternalformatmoresuitedforfurthermanipulationbytheremainderofthecompiler. 正确 错误 单选题:20道,每道3分,总分60 1.Singleprogramoperatingsystemsallow()user(s)torun()program(s)atonetime. oneormorethanone/one one/one morethanone/morethanone one/oneormorethanone 2.Themostimportantprogramonanycomputeris(). OperatingSystem Virus software Office2000 3.Theusermustinteractwiththe（）inordertoaccomplishtask. printer memory CPU operatingsystem 4.（）ispermanentlystoredinthecomputerandprovidesalinkbetweenthehardwareandotherprogramsthatrunonthePC. Interface Operatingsystem Internet Applicationsoftware 5.Computersystemsconsistoftwoverydifferenttypesofelements:Hardware,whichincludesallthephysicalthingsthatcanbetouchedand（）,whichtellsthehardwarehowtodo. Operatingsystem I/Odevices Courseware Software 6.Insufficient（）cancauseaprocessortoworkat50%orevenmorebelowitsperformancepotential. mouse I/O document memory 7.()isafastandpowerfuloperatingsystem,basedontheUNIXO.S. Windows2000 Office2000 Windows98 Linux 8.()isanoperatingsystemthatwasinitiallycreatedasahobbybyayoungstudent. Linux UNIX DOS Windows 9.The（）isacollectionofmodulesservingasinterfacebetweenhardwareandsoftwaretoprovideasoftwareplatform. computer processor applicationsoftware operatingsystem 10.Thetwogoalsofanoperationsystemare（）andefficiency. convenience quick optimize standardize 11.Asanoperatingsystemrepeatedlyallocatesandfreesstoragespace,manyphysicallyseparatedunusedareasappear.Thisphenomenoniscalled（）. fragmentation compaction swapping paging 12.()allowmorethanoneprogramtoberunatthesametimeonthecomputer. Singleprogramoperatingsystems MultiprocessingOperatingsystems VirtualmachineOperatingsystems Multiprogrammingoperatingsystems 13.A（）consistsofthesymbols,characters,andusagerulesthatpermitpeopletocommunicatewithcomputer. programminglanguage network keyboard display 14.（）：Anerrorcanbecausedbyattemptingtodivideby0. Interrupt Default Underflow Overflow 15.()drivescaneraseandstoredata. CD-ROM DVD-ROM Harddisk Allofabove 16.Todocumentyourcodecanincreseprogram（）andmakeprogrameasiertomaintain. reliability security readability usability 17.Whenaprogramhasnosyntaxerrors,thecompilerfinishes()theprogram,thesourcecode,andgeneratesanobjectcodefile. compiling interpreting assembling operating 18.The()turnstheobjectfileintoanexecutableprogram. linker compiler interpreter computer 19.Programswritteninallotherkindsoflanguagesaretranslatedinto()beforetheyareperformed. machinelanguage high-levellanguage fourth-generationlanguage assemblylanguage 20.Everyvalidcharacterinacomputerthatuseseven（）mustalwayshaveanevennumberor1bits. parity check test compare 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.Theendequipmentinacommunicationsystemincludes(). computers DCE CRTs keyboards 2.Thefunctionofcomputerhardwareistypicallydividedintothreemaincategories.Theyare(). input output cpu storage motherboard 3.Thescannerhasseveralroles:(). identifythebasiclexicalunitsoftheprogram removecomments reporterrorswhichitdiscovers removeextraneousblanks,carriagereturnsandothercharacteristicsoftheinputmedium 4.Optimizationtechniqueswhichareperformedattheobjectprogramlevelareapplicabletomachinelanguage.Themainmethodsusedare:(). loopoptimization folding registerallocation optimizationforparallelprocessor 5.Therearethreestagesoferrorprocessing:(). detection token reporting recovery 6.Wedividedparserintotwoclasses:(). top-down top-bottom up-down bottom-up 7.Viewingtheoperatingsystemasaresourcemanager,eachmanagermustdothefollowing:(). Keepingtrackoftheresources. Enforcepolicythatdetermineswhogetswhat,whenandhowmuch. Allocatetheresource. Reclaimtheresource. 8.Ajobmaybedividedintothreesteps:(). read compile load execute 9.Themostexistingcompilersinvolveseveralmajorcomponents.Theyarescanner,optimize,(). intermediatecodegenerator tables codegenerator semanticprocessor parser