【答案】计算机专业英语阅读y 过程性评测(10)【参考答案】

判断题:13道,每道2分,总分26 1.DOSisamultitaskingoperatingsystem. 正确 错误 2.Thepossiblesymbolsinthebinarynumberingsystemare0to9. 正确 错误 3.Onlyafewbugscantroubleaprogram. 正确 错误 4.TheASCIIcodeisthemostwidely-usedstandardizedcodingsystem. 正确 错误 5.Programswerethoughtofasaseriesofprocedures. 正确 错误 6.AllloopsareDOloops. 正确 错误 7.Planningisthefirststepindesigningandcreatingaprofessional-lookingdocument. 正确 错误 8.Yourcomputerusestwotypesofmemory:primarymemoryandsecondarymemory. 正确 错误 9.Assoonasyouturnthecomputeroff,thecontentsofRAMwilldisappear. 正确 错误 10.Aprocessorcandoeverythingwithoutaprogramtoprovidecontrol. 正确 错误 11.Everymemorylocationhastwokindsofaddresses,physicalandlogical. 正确 错误 12.Theinstructionsofgeneral-purposetransfersareMOV,PUSH,POP,andXCHG. 正确 错误 13.Theheartofanycomputersystemisthecentralprocessingunit(CPU). 正确 错误 单选题:20道,每道3分,总分60 1.Forthe8086,theamountofinformationwhichtransferstoorfrommemoryatonetimeisalways(). 16-bits 8-bits 16-bytes 8-bytes 2.Inthesecondgenerationofcomputers,()replacedvacuumtubes. CPU transistors integratedcircuits mechanicalmemory 3.（）providesadatapathbetweentheCPUandexternaldevices. Keyboard I/Oport Disk Printer 4.Memoryholdsdataandinstructionswhiletheyare()bytheCPU. beingprocessed processed havingbeenprocessed processing 5.Thebasicunitofmeasureinacomputersystemisthe（）.Itisthesmallestunitincomputing.Therearesomeothermeasuresinacomputer,suchasKilobyte,Megabyte,Gigabyteandsoon. Kilobyte Bit Gigabyte Megabyte 6.Astackprotocolcanbeusedfor(). subroutinecalls operationofarithmeticexpressions removingthelatestelementinserted removingtheearliestelementinserted 7.（）:Developmentisastructureddesignmethodologythatproceedsinasequencefromonephasetothenext Waterfall Phased Prototyping Parallel 8.Themaximumnumberofdatathatcanbeexpressedby8bitsis（）. 64 128 255 256 9.Instructionsarefrequentlylocatedin(),thiswouldbeanidealplacetokeepconstantoperands. RAMs ROMs generalregister segmentregister 10.Ifyourdiskettehasbeen(),thecomputercannotstoreanynewinformationonit. formatted writeprotected tested certified 11.Thecomputersystemhardwareiscomposedof(). hardwarelikeCPU,memory,inputandoutputdevices,andsoftwareliketheoperatingsystem avarietyofhardwarelikeCPU,memory,inputandoutputdevices,secondarystoragedevices,etc systemunit,inputandoutputdevices,secondarystoragedevicesandROM RAM,ROM,microprocessor,CPU,inputandoutputdevicesanddiskdrives 12.Thelineofcomputingjobswaitingtoberunonacomputersystemmightbea（）.Thejobsareservicedintheorderoftheirarrival,thatis,thefirstinisthefirstout. queue stack array record 13.（）controlstheoperationofthecomputerandperformsit＇sdataprocessingfunctions. CPU Disk Memory I/O 14.Thepersonalcomputeror（）isthesmallestgeneral-purposecomputer. terminal minicomputer microcomputer workstation 15.Inputandoutputdevicesreferto(). keyborad,mouse,monitor,printer,variousdisksandallthesetranslatinglanguagesbetweenthecomputerandtheuser suchhardwarethatprovidesaninterfacebetweentheuserandthecomputer,suchasthekeyboard,mouse,monitor,printerandsoon storagedevices,monitor,keyboard,mouse,printer,scanner,etc datareadytobeprocessedbythesystemunitandinformationreadytobeprovidedtotheuser 16.Primarymemorywhichisstoredonchipslocated(). onthemotherboard outside insidetheprocessor ontheCPU 17.SinceRAMisonlyactivewhenthecomputerison,yourcomputerusesdisktostoreinformationevenwhenthecomputerisoff.Whichofthefollowingistrue?（） Whenyourcomputerison,onlyRAMisusedtostoreinformation. Whenyourcomputerison,onlydiskdrivesareusedtostoreinformation. Whenyourcomputerisoff,onlyRAMisusedtostoreinformation. Whenyourcomputerisoff,onlydiskdrivesareusedtostoreinformation. 18.Theheartofacomputersystemis(). input/output CPU storage memory 19.Thedefaultinputdeviceis(),andthedefaultoutputdeviceis(). mouse,monitor keyboard,monitor keyboard,printer monitor,keyboard 20.Afloatingconstantconsistsofanintegerpart,adecimalpoint,afractionpart,aneorE,andanoptionallysignedinteger（）. exponent order superfluous superior 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 2.8086CPUexecutesainstructionincludesthesteps:() writetheresult(ifnecessary) readanoperand(ifnecessary) executetheinstruction fetchthenextinstructionfrommemory 3.Aprocessoriscomposedof(). acontrolunit logicunit anarithmetic Registers 4.AselectionstructurebeginswiththeIF…THENstatement,andterminateswiththe()statement.Inthemiddleofthestructureis(). STOP ENDIF ELSE GO 5.FORTRANdistinguishesbetweentwotypesfonumericdata:()and(). integer variables real operators 6.The8086hasfoursetsofregisters.Theyaregeneralregisters,(),()and(). pointerandindexregisters theinstructionpointer segmentregisters theinstructionregisters 7.Inputdevicesinclude:(). thekeyboard touchscreen themouse microphone