【答案】计算机专业英语阅读y 过程性评测(26)【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.Operatingsystemsareusedtomanagecomputerresources. 正确 错误 3.Devicedrivesallowcommunicationsbetweenparticulardeviceandthecomputersystem. 正确 错误 4.Errorrecoverydoesnotbelongtooperatingsystem. 正确 错误 5.Manyoperatingsystemshavesimilarcharacteristics. 正确 错误 6.Everyprogramminglanguagehasthesamesetofgrammerrules. 正确 错误 7.Thescannerconvertstheexternalviewofthesourceprogramintoaninternalformatmoresuitedforfurthermanipulationbytheremainderofthecompiler. 正确 错误 8.Oneofthefunctionsofanoperatingsystemismemorymanagement. 正确 错误 9.Oncetheoperatingsystemacceptsauser'sjob,itmaycreateoneprocess. 正确 错误 10.Thelifecycleofaprocesscanberepresentedbytransitionsbetweensubmit,hold,run,waitandcomplete. 正确 错误 11.Thecodegeneratortakesthesourcecodeitreceivestheoptimizaerandproducesassemblyormachinelanguagecode. 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.Insufficient（）cancauseaprocessortoworkat50%orevenmorebelowitsperformancepotential. mouse I/O document memory 3.Todocumentyourcodecanincreseprogram（）andmakeprogrameasiertomaintain. reliability security readability usability 4.（）ispermanentlystoredinthecomputerandprovidesalinkbetweenthehardwareandotherprogramsthatrunonthePC. Interface Operatingsystem Internet Applicationsoftware 5.（）isthefoundationonwhichapplicationsarebuilt. User Display Printer Operationsystem 6.Themostimportantprogramonanycomputeris(). OperatingSystem Virus software Office2000 7.Whensavingadocumentyoumustdecideonanameforthedocumentandthe（）whereitwillbesavedto. location size title attribute 8.Verylong,complexexpressionsinprogramaredifficulttowritecorrectlyanddifficultto（）. defend detect default debug 9.Theterm"（）program"meansaprogramwritteninhigh-levellanguage. compiler executable source object 10.()allowmorethanoneprogramtoberunatthesametimeonthecomputer. Singleprogramoperatingsystems MultiprocessingOperatingsystems VirtualmachineOperatingsystems Multiprogrammingoperatingsystems 11.Everyvalidcharacterinacomputerthatuseseven（）mustalwayshaveanevennumberor1bits. parity check test compare 12.()referstothepartsofthecomputerthatyoucanseeandtouch. Software Hardware Hardship Instruction 13.A（）isafunctionalunitthatinterpretsandcarriesoutinstructions. memory processor storage network 14.（）：Anerrorcanbecausedbyattemptingtodivideby0. Interrupt Default Underflow Overflow 15.()drivescaneraseandstoredata. CD-ROM DVD-ROM Harddisk Allofabove 16.Thetwogoalsofanoperationsystemare（）andefficiency. convenience quick optimize standardize 17.Whenaprogramhasnosyntaxerrors,thecompilerfinishes()theprogram,thesourcecode,andgeneratesanobjectcodefile. compiling interpreting assembling operating 18.Theusermustinteractwiththe（）inordertoaccomplishtask. printer memory CPU operatingsystem 19.Allmodern（）aremultitaskingandcansupportrunningseveralprocessessimultaneously. database operatingsystem MIS DOS 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.Themostexistingcompilersinvolveseveralmajorcomponents.Theyarescanner,optimize,(). intermediatecodegenerator tables codegenerator semanticprocessor parser 2.Viewingtheoperatingsystemasaresourcemanager,eachmanagermustdothefollowing:(). Keepingtrackoftheresources. Enforcepolicythatdetermineswhogetswhat,whenandhowmuch. Allocatetheresource. Reclaimtheresource. 3.Thefunctionofcomputerhardwareistypicallydividedintothreemaincategories.Theyare(). input output cpu storage motherboard 4.Thescannerhasseveralroles:(). identifythebasiclexicalunitsoftheprogram removecomments reporterrorswhichitdiscovers removeextraneousblanks,carriagereturnsandothercharacteristicsoftheinputmedium 5.Therearethreestagesoferrorprocessing:(). detection token reporting recovery 6.Theendequipmentinacommunicationsystemincludes(). computers DCE CRTs keyboards 7.Wedividedparserintotwoclasses:(). top-down top-bottom up-down bottom-up 8.Optimizationtechniqueswhichareperformedattheobjectprogramlevelareapplicabletomachinelanguage.Themainmethodsusedare:(). loopoptimization folding registerallocation optimizationforparallelprocessor 9.Ajobmaybedividedintothreesteps:(). read compile load execute