【答案】计算机专业英语阅读y 过程性评测(3)【参考答案】

判断题:13道,每道2分,总分26 1.TheASCIIcodeisthemostwidely-usedstandardizedcodingsystem. 正确 错误 2.TheLESinstructionprovidesaccesstotheoffsetaddressofthesourceoperandasopposedtothevalueoftheoperand. 正确 错误 3.Assoonasyouturnthecomputeroff,thecontentsofRAMwilldisappear. 正确 错误 4.Thepossiblesymbolsinthebinarynumberingsystemare0to9. 正确 错误 5.Aprocessorcandoeverythingwithoutaprogramtoprovidecontrol. 正确 错误 6.Planningisthefirststepindesigningandcreatingaprofessional-lookingdocument. 正确 错误 7.AnarrayinFORTRANdoesnothavethesamesymbolicformasasimplevariable. 正确 错误 8.Theinstructionsofgeneral-purposetransfersareMOV,PUSH,POP,andXCHG. 正确 错误 9.Theheartofanycomputersystemisthecentralprocessingunit(CPU). 正确 错误 10.Everymemorylocationhastwokindsofaddresses,physicalandlogical. 正确 错误 11.DOSisamultitaskingoperatingsystem. 正确 错误 12.Yourcomputerusestwotypesofmemory:primarymemoryandsecondarymemory. 正确 错误 13.Onlyafewbugscantroubleaprogram. 正确 错误 单选题:20道,每道3分,总分60 1.Whenacomputeristurnedon,aseriesofinstructionsstoredinROMcalledthe()issuethecommandstoloadtheoperatingsystemintomainmemory. languagetranslator bootroutine utility interruptprogram 2.Instructionsarefrequentlylocatedin(),thiswouldbeanidealplacetokeepconstantoperands. RAMs ROMs generalregister segmentregister 3.Afloatingconstantconsistsofanintegerpart,adecimalpoint,afractionpart,aneorE,andanoptionallysignedinteger（）. exponent order superfluous superior 4.Stackisquitesimple.Manycomputersystemshavestacksbuiltintotheircircuitry.Theyalsohavemachine-levelinstructionstooperatethehardwarestack.Stackis（）incomputersystems. useless notimportant important toosimpletobeuseful 5.Thepopularoutputdevicesusedforpersonalcomputerare(). scanner mouse keyboard displayscreenanddesktopprinters 6.In（）,theonlyelementthatcanbedeletedorremovedistheonethatwasinsertedmostrecently. aline aqueue anarray astack 7.Whatisthesystemboard? Thesystemboardisthemostimportantcomputerhardwarewhichcoordinatesdatatoproduceinformation. Thesystemboardisanothernameofthesystemunit. Thesystemboardiscomposedofamicroprocessorandmemory,thetwomostimportantsystemcomponents. Thesystemboardconsistsofbothhardwareessentialsandsoftwareessentials. 8.Whatisthemostcommonlyusedcomputersinourdailylife? Mini-computer,desktopcomputer,notebookcomputerandPDA. Micro-computer,desktopcomputer,notebookcomputerandPDA. Supercomputer,mainframecomputer,mini-computerandmicro-computer. Mini-computer,handheldcomputer,notebookcomputerandpalmcomputer. 9.SinceRAMisonlyactivewhenthecomputerison,yourcomputerusesdisktostoreinformationevenwhenthecomputerisoff.Whichofthefollowingistrue?（） Whenyourcomputerison,onlyRAMisusedtostoreinformation. Whenyourcomputerison,onlydiskdrivesareusedtostoreinformation. Whenyourcomputerisoff,onlyRAMisusedtostoreinformation. Whenyourcomputerisoff,onlydiskdrivesareusedtostoreinformation. 10.Theset{120,-12,0.12,1.2}mightbeconsideredas(). fourdatavaluesthataresomehownon-related fourdistinctcomponentvaluesthataresomehowrelated asingledatavalue asethavingfourmembers 11.（）：Alocationwheredatacanbetemporarilystored. Area Disk Buffer File 12.Any()consecutivebytesinmemoryaredefinedasaword.Eachbyteinawordhasabyteaddress,andthe()oftheaddressesisusedastheaddressoftheword. two,bigger three,biggest two,smaller three,smallest 13.Primarymemorywhichisstoredonchipslocated(). onthemotherboard outside insidetheprocessor ontheCPU 14.Inthesecondgenerationofcomputers,()replacedvacuumtubes. CPU transistors integratedcircuits mechanicalmemory 15.Thebasicunitofmeasureinacomputersystemisthe（）.Itisthesmallestunitincomputing.Therearesomeothermeasuresinacomputer,suchasKilobyte,Megabyte,Gigabyteandsoon. Kilobyte Bit Gigabyte Megabyte 16.Softwaredevelopmentbeginsatthesystemlevelandprogressesthrough(),design,coding,testing,andmaintenance. execution analysis computation management 17.Theattributesofthestackare(). FIFO LIFO queue builtintotheircircuitry 18.Forthe8086,theamountofinformationwhichtransferstoorfrommemoryatonetimeisalways(). 16-bits 8-bits 16-bytes 8-bytes 19.Thedefaultinputdeviceis(),andthedefaultoutputdeviceis(). mouse,monitor keyboard,monitor keyboard,printer monitor,keyboard 20.Thelineofcomputingjobswaitingtoberunonacomputersystemmightbea（）.Thejobsareservicedintheorderoftheirarrival,thatis,thefirstinisthefirstout. queue stack array record 多选题:7道,每道2分,总分14多选题:7道,每道2分,总分14 1.8086CPUexecutesainstructionincludesthesteps:() writetheresult(ifnecessary) readanoperand(ifnecessary) executetheinstruction fetchthenextinstructionfrommemory 2.FORTRANdistinguishesbetweentwotypesfonumericdata:()and(). integer variables real operators 3.Aprocessoriscomposedof(). acontrolunit logicunit anarithmetic Registers 4.Inputdevicesinclude:(). thekeyboard touchscreen themouse microphone 5.The8086hasfoursetsofregisters.Theyaregeneralregisters,(),()and(). pointerandindexregisters theinstructionpointer segmentregisters theinstructionregisters 6.AselectionstructurebeginswiththeIF…THENstatement,andterminateswiththe()statement.Inthemiddleofthestructureis(). STOP ENDIF ELSE GO 7.Acharacterisasingle(),()or(). letter space digit symbol