计算机组成原理BB平台测试题答案.docx
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计算机组成原理BB平台测试题答案.docx
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计算机组成原理BB平台测试题答案
第一章
问题1
Thecomputerhasexperienced4generations,whichare(D).
A.Transistors,SMI,Laserdevice,Opticalmedium
B.VacuumTubes,Transistors,SSI/MSIcircuit,Laserdevice
C.VacuumTubes,Digitaltube,SSI/MSIcircuit,Laserdevice
D.VacuumTubes,Transistors,SSI/MSIcircuit,LSI/VLSIcircuit
问题2
ThecomponentsofCPUdonotinclude(B).
A.ArithmeticunitB.memoryC.registerD.controller
问题3
CPUcanprocessinformationofexternalmemorydirectly.B
A.对B.错
问题4?
MFLOPSisaperformanceindexforexpressthespeedofprocessingthefloatingpointnumber.A
A.对B.错
问题5
Althoughcomputerscienceandtechnologyhavechangedtremendouslybothinhardwareandinsoftware,thebasicmodelforcomputershasremainedessentiallythesame,whichwaspresentedby(B).
A.EinsteinB.VonNeumannC.EdisonD.Newton
问题6
In8-bitsmicro-computersystem,multiplicationanddivisionarerealizedby(D).C
A.dedicatedchipsB.firmwareC.softwareD.hardware
问题7
Softwareisequivalenttohardwareinlogicfunction.A
A.对B.错
问题8
Resourcesmanagementofcomputersoftwareandhardwareisthedutyof(D).
A.OperatingSystemB.LanguageprocessprogramA
C.DatabaseManagementSystemD.Applicationprogram
问题9
Thereasonofbinaryrepresentationforinformationinacomputerisitcaneasilyprocesstheinformation.B
A.对B.错
问题10
ThebasicfeatureofVonNeumanncomputeris(A).
A.accessmemorybyaddressandexecuteinstructioninsequence
B.accessmemorybycontent
C.MultipleInstructionStreamSingleDataStream(MISD)
D.operatestack
问题11
Dataandinstructionsarestoredin(C)whentheprogramisrunning.A
A.memoryB.diskC.datapathD.operatingsystem
问题12
Theoperatingsystemisappearedin(C).
A.the4thgenerationcomputersB.the2ndgenerationcomputers
C.the3rdgenerationcomputersD.the1stgenerationcomputers
问题13
Thesocalled“PC”belongsto(C).
A.MediumcomputersB.MainframesC.Micro-computersD.Mini-computers
问题14
Computerhardwareconsistsofcalculator,memory,controllerandI/OA
A.对B.错
问题15
(C)isnotbelongedtosystemprogram.
A.DatabasesystemB.OperatingsystemC.CompilerprogramD.theaboveall
问题16
Thevastmajorityofcomputersystemsusedtodayareconstructedon(B)computermodel.
A.intelligentB.VonNeumannC.parallelD.realtimeprocessing
问题17
Theuseof(C)signifiedthedevelopmentofmicro-computer.
A.softwareB.diskC.MicroprocessorD.OS
问题18
Theuseofmicroprocessorsignifiedthedevelopmentof
A.对B.错
问题19
Thereasonwhythebinarysystemofrepresentationiswidelyadoptedincomputeris(B).
A.computingspeedfastB.convenienceforinformationprocessing
C.savingcomponentsD.therestrictionofthenatureofphysicaldevices
问题20
Afullcomputershouldconsistsof(D).
A.hostandPeripheralB.calculator,memoryandcontroller
C.hostandprogramD.hardwareandsoftwaresystem
问题21
HostconsistsofCPUandI/OdevicesA.
A.对B.错
问题22
InacomputerbasedonthevonNeumannmodel,instructionsanddataareallstoredinmemory,andCPUdistinguishthemaccordingtheiraddress.B
A.对B.错
问题23
Systemsoftwareispurchased,andappliedsoftwareiseditbyourselvesB.
A.对B.错
问题24
WhichofthefollowinglanguagescanbeimplementeddirectlyandeditedbyMnemonic(助记符):
①Assemblylanguage;②machinelanguage;③High-levellanguage;④Operatingsystemprimitives;⑤RegularlanguageB
A.①,④B.②,①C.②,⑤D.①,③
问题25
Incomputerterminology,CPUconsistsofcalculatorandcontroller.A
A.对B.错
选择题答案:
第二章
问题1
If[X]2’scomplement=,then[X]sign-magnitude=(D)
A.B.C.D.
问题2
(B)isusedtorepresentaddressincomputer.
A.1’scomplementB.unsignednumberC.2’scomplementD.signmagnitude
问题3
NumbersX1,X2areinteger,and【X1】2’scompl=,【X2】2’scompl=00011011,thentheirtruevalueofdecimalformare____-101____and____27____。
+++=
问题4
Thesign-magnituderepresentationof‘0’isunique.B
A.对B.错
问题5
Plustwo2’scomplementnumbersthatadopt1signbit,overflowmustoccurwhen(CD).
A.carrysignalisgeneratedfromthesignbit
B.XORoperationforcarrysignalgeneratedfromthesignbitandcarrysignalgeneratedfromthehighestnumericalbitis‘0’
C.XORoperationforcarrysignalgeneratedfromthesignbitandcarrysignalgeneratedfromthehighestnumericalbitis‘1’
D.XORoperationforcarrysignalgeneratedfromthesignbitandcarrysignalgeneratedfromthehighestnumericalbitis‘1’
问题6
Therangeofrepresentationfora1’scomplementnumbersystemof64bits(includingthesignbit)is(A).
A.0≤|N|≤263–1B.0≤|N|≤262–1C.0≤|N|≤264–1D.0≤|N|≤263
问题7
Fixedpointnumbercanbeclassifiedintopuredecimal(纯小数)andpureinteger(纯整数).
A.对B.错A
问题8
Infixedpointcalculator,whetheradopteddoublesignbitorsinglesignbit,itmusthas(),whichisoftenimplementedby().C
A.Decodingcircuit,NANDgateB.encodingcircuit,NORgate
C.overflowdetectioncircuit,XORgateD.shiftcircuit,AND-ORgate
问题9
Arithmeticshift2’scomplementofapositive,signbitremainsunchanged,andtheblankbitfillsin‘0’.Arithmeticleftshift2’scomplementofanegative,signbitremainsunchanged,andthelowbitfills___0___.Arithmeticrightshift2’scomplementofanegative,signbitremainsunchanged,andthehighbitfills___1___,andtruncatlowbit.
问题10?
?
Letthewordlengthis8,thefixedpointintegerwith2’scomplementrepresentationof-1is_______.
问题11
Infixedpointoperation,itwillbeoverflowwhentheresultexceedstherepresentrangeofthecomputer.A
A.对B.错
问题12
Fora8-bit2’scomplementrepresentationintegernumber,itsminimalvalueis__-128____,itsmaximalvalueis___127___.
问题13
Afixedpointnumberiscomposedofsignbitandnumericalpart.
A.对B.错B
问题14
Therangeofrepresentationfora2’scomplementnumbersystemof16bits(includingthesignbit)is(A).
A.-215~+(215-1)B.-(215–1)~+(215–1)C.-215~+215D.-(215+1)~+215
问题15
8-4-2-1BCDcodeofanumberis011110001001,thenitstruevalueis___789___.
问题16
Theaddition/subtractionalgorithmforsignmagnituderepresentationisrathersimple.B
A.对B.错
问题17
Whichofthefollowingnumbersisoddparity奇校验?
A?
A.0B.001000111C.1D.1
问题18
Thenumberrepresentedinthecomputersometimeswillbeoverflow,thefundamentalreasonisthelimitedcomputerwordlength.A
A.对B.错
问题19
Forfixedpointbinarycalculator,subtractionisimplementedthrough(B).
A.2’scomplementbinarysubtractorB.2’scomplementbinaryadder
C.signmagnitudedecimaladderD.signmagnitudebinarysubtractor
问题20
In2’scomplementaddition/subtraction,using2signbitsforoverflowdetection,whenthe2signbits‘S1S2’equals‘10’,itmeansthat(C).
A.resultispositive,withnooverflowB.resultisnegative,withnooverflow
C.resultisoverflowD.resultisunderflow
问题21
The2’scomplementrepresentationof-127is.B
A.对B.错
问题22
Theminimalnumberofthefollowingnumbersis(B).
A.(100101)232+4+1=37B.(00100010)BCD22C.(50)840D.(625)16
问题23
2’scomplementrepresentationof‘0’equalsto1’scomplementrepresentationof‘-1’.B
A.对B.错0
问题24
If[X]2’scomplement=,then[X]sign-magnitude=(B)
A.B.C.D.
问题25
Forsignmagnituderepresentation,1’scomplementrepresentation,2’scomplementrepresentation,__原码__and__反码___has2representationsof‘0’.
问题26
Theuseof2’scomplementoperationisadoptedtosimplifythedesignofcomputer.A
A.对B.错
问题27
Fixedpointcalculatorisusedfor(A).
A.fixedpointoperationB.floatingpointoperation
C.fixedpointoperationandfloatingpointoperationD.decimaladdition
问题28
When-1 A.1-xB.(2-2-n)-|x|C.2+xD.x 问题29 Themaximalnumberofthefollowingnumbersis(A). A.(227)8151 B.(96)16150 C.()2149 D.(143)548 问题30 8-4-2-1codeisbinarynumber.B A.对B.错 问题31? ? ? Adecimalnumberis,thenitsoctalformis,itshexadecimalform. 问题32 Fora8-bit1’scomplementrepresentationintegernumber,itsminimalvalueis__-127___,itsmaximalvalueis__127___. 问题33 The(C)representationof‘0’isunique. A.signmagnitudeand1’scomplement B.1’scomplement C.2’scomplement D.signmagnitude 问题34 Therangeofrepresentationforaunsignedbinarynumbersystemof16bitsis___0_~_65535__. 问题35 Given【x1】2’scompl=,【x2】signmag=,thedecimalvalueofx1andx2are ___-52__and答案: 3.-101279.0110. 12.-128127 25.signmagnituderepresentation1’scomplementrepresentation 31.32.-127127 34.0~6553535.-52 第五章 问题1 Calculatorhasmanycomponents,butdatabusisthekeypart.B A.对B.错 问题2 Inanadder,thecarrygeneratevariable(G)ofbit‘i’is(C). A.Xi⊕Yi B.Xi·Yi·Ci C.Xi+Yi+Ci D.Xi·Yi 问题3 Thecarrylook-aheadcircuitchip74182realizesthecarrylogicbetweengroupsinparallel. A.对B.错 问题4 Thesubtraction减法algorithm算法offixedpointbinaryisrealizedby(). A.subtractionforsignmagnituderepresentation B.additionforbinarycodedecimal C.additionfor2’scomplementrepresentation D.subtractionfor2’scomplementrepresentation 问题5 ThemainfunctionofALUis(D). A.arithmeticoperation B.onlyadditionoperation C.logicoperation D.logicandarithmetic算术operation 问题6 Inaripple-carryadder,thekeyfactoraffectingthespeedoftheadderis(C). A.Gate-leveldelay B.spe
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