【答案】计算机专业英语阅读y 过程性评测(7)【参考答案】

判断题:13道,每道2分,总分26 1.AnarrayinFORTRANdoesnothavethesamesymbolicformasasimplevariable. 正确 错误 2.Onlyafewbugscantroubleaprogram. 正确 错误 3.Programswerethoughtofasaseriesofprocedures. 正确 错误 4.DOSisamultitaskingoperatingsystem. 正确 错误 5.TheASCIIcodeisthemostwidely-usedstandardizedcodingsystem. 正确 错误 6.Yourcomputerusestwotypesofmemory:primarymemoryandsecondarymemory. 正确 错误 7.Theinstructionsofgeneral-purposetransfersareMOV,PUSH,POP,andXCHG. 正确 错误 8.Everymemorylocationhastwokindsofaddresses,physicalandlogical. 正确 错误 9.Aprocessorcandoeverythingwithoutaprogramtoprovidecontrol. 正确 错误 10.Theheartofanycomputersystemisthecentralprocessingunit(CPU). 正确 错误 11.AllloopsareDOloops. 正确 错误 12.Planningisthefirststepindesigningandcreatingaprofessional-lookingdocument. 正确 错误 13.TheLESinstructionprovidesaccesstotheoffsetaddressofthesourceoperandasopposedtothevalueoftheoperand. 正确 错误 单选题:20道,每道3分,总分60 1.Theattributesofthestackare(). FIFO LIFO queue builtintotheircircuitry 2.Themaximumnumberofdatathatcanbeexpressedby8bitsis（）. 64 128 255 256 3.Instructionsarefrequentlylocatedin(),thiswouldbeanidealplacetokeepconstantoperands. RAMs ROMs generalregister segmentregister 4.Thesmallestunitofinformationinacomputersystemiscalleda（）. bit byte block file 5.Forthe8086,theamountofinformationwhichtransferstoorfrommemoryatonetimeisalways(). 16-bits 8-bits 16-bytes 8-bytes 6.Thecomputersystemhardwareiscomposedof(). hardwarelikeCPU,memory,inputandoutputdevices,andsoftwareliketheoperatingsystem avarietyofhardwarelikeCPU,memory,inputandoutputdevices,secondarystoragedevices,etc systemunit,inputandoutputdevices,secondarystoragedevicesandROM RAM,ROM,microprocessor,CPU,inputandoutputdevicesanddiskdrives 7.Alldataisstoredandmanipulatedinsidethecomputerin(). decimal octal hexadecimal binary 8.（）controlstheoperationofthecomputerandperformsit＇sdataprocessingfunctions. CPU Disk Memory I/O 9.Softwaredevelopmentbeginsatthesystemlevelandprogressesthrough(),design,coding,testing,andmaintenance. execution analysis computation management 10.The8086canaccessupto()bytesofmemoryandupto()inputoroutputports. 100000,65000 1000000,65000 10000,6500 1000000,6500 11.SinceRAMisonlyactivewhenthecomputerison,yourcomputerusesdisktostoreinformationevenwhenthecomputerisoff.Whichofthefollowingistrue?（） Whenyourcomputerison,onlyRAMisusedtostoreinformation. Whenyourcomputerison,onlydiskdrivesareusedtostoreinformation. Whenyourcomputerisoff,onlyRAMisusedtostoreinformation. Whenyourcomputerisoff,onlydiskdrivesareusedtostoreinformation. 12.Thethingsconnectingan8086systemtotherestoftheworldarecalled(). interface output bus ports 13.（）languageissimilartomachinelanguage. Fortran PASCAL Assembly Source 14.Theheartofacomputersystemis(). input/output CPU storage memory 15.Memoryholdsdataandinstructionswhiletheyare()bytheCPU. beingprocessed processed havingbeenprocessed processing 16.Thelineofcomputingjobswaitingtoberunonacomputersystemmightbea（）.Thejobsareservicedintheorderoftheirarrival,thatis,thefirstinisthefirstout. queue stack array record 17.Whatisthemostcommonlyusedcomputersinourdailylife? Mini-computer,desktopcomputer,notebookcomputerandPDA. Micro-computer,desktopcomputer,notebookcomputerandPDA. Supercomputer,mainframecomputer,mini-computerandmicro-computer. Mini-computer,handheldcomputer,notebookcomputerandpalmcomputer. 18.Thebasicunitofmeasureinacomputersystemisthe（）.Itisthesmallestunitincomputing.Therearesomeothermeasuresinacomputer,suchasKilobyte,Megabyte,Gigabyteandsoon. Kilobyte Bit Gigabyte Megabyte 19.Inordertostorehugeamountsofinformation,weneed(). aharddiskonly afloppydiskonly aCD-ROM bothfloppyandharddisks 20.Primarymemorywhichisstoredonchipslocated(). onthemotherboard outside insidetheprocessor ontheCPU 多选题:7道,每道2分,总分14多选题:7道,每道2分,总分14 1.Acharacterisasingle(),()or(). letter space digit symbol 2.AselectionstructurebeginswiththeIF…THENstatement,andterminateswiththe()statement.Inthemiddleofthestructureis(). STOP ENDIF ELSE GO 3.Aprocessoriscomposedof(). acontrolunit logicunit anarithmetic Registers 4.8086CPUexecutesainstructionincludesthesteps:() writetheresult(ifnecessary) readanoperand(ifnecessary) executetheinstruction fetchthenextinstructionfrommemory 5.The8086hasfoursetsofregisters.Theyaregeneralregisters,(),()and(). pointerandindexregisters theinstructionpointer segmentregisters theinstructionregisters 6.FORTRANdistinguishesbetweentwotypesfonumericdata:()and(). integer variables real operators 7.Inputdevicesinclude:(). thekeyboard touchscreen themouse microphone