计算机组成原理题库Word下载.docx

计算机组成原理题库Word下载.docx

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A.EinsteinB.VonNeumannC.EdisonD.Newton

问题6

In8-bitsmicro-computersystem,multiplicationanddivisionarerealizedby（）.

A.dedicatedchipsB.firmwareC.softwareD.hardware

问题7

Softwareisequivalenttohardwareinlogicfunction.

问题8

Resourcesmanagementofcomputersoftwareandhardwareisthedutyof（）.

A.OperatingSystemB.Languageprocessprogram

C.DatabaseManagementSystemD.Applicationprogram

问题9

Thereasonofbinaryrepresentationforinformationinacomputerisitcaneasilyprocesstheinformation.

问题10

ThebasicfeatureofVonNeumanncomputeris（）.

A.accessmemorybyaddressandexecuteinstructioninsequence

B.accessmemorybycontent

C.MultipleInstructionStreamSingleDataStream（MISD）

D.operatestack

问题11

Dataandinstructionsarestoredin（）whentheprogramisrunning.

A.memoryB.diskC.datapathD.operatingsystem

问题12

Theoperatingsystemisappearedin（）.

A.the4thgenerationcomputersB.the2ndgenerationcomputers

C.the3rdgenerationcomputersD.the1stgenerationcomputers

问题13

Thesocalled“PC”belongsto（）.

A.MediumcomputersB.MainframesC.Micro-computersD.Mini-computers

问题14

Computerhardwareconsistsofcalculator,memory,controllerandI/Odevices.

问题15

（）isnotbelongedtosystemprogram.

A.DatabasesystemB.OperatingsystemC.CompilerprogramD.theaboveall

问题16

Thevastmajorityofcomputersystemsusedtodayareconstructedon（）computermodel.

A.intelligentB.VonNeumannC.parallelD.realtimeprocessing

问题17

Theuseof（）signifiedthedevelopmentofmicro-computer.

A.softwareB.diskC.MicroprocessorD.OS

问题18

Theuseofmicroprocessorsignifiedthedevelopmentofmicro-computer.

问题19

Thereasonwhythebinarysystemofrepresentationiswidelyadoptedincomputeris（）.

A.computingspeedfastB.convenienceforinformationprocessing

C.savingcomponentsD.therestrictionofthenatureofphysicaldevices

问题20

Afullcomputershouldconsistsof（）.

A.hostandPeripheralB.calculator,memoryandcontroller

C.hostandprogramD.hardwareandsoftwaresystem

问题21

HostconsistsofCPUandI/Odevices.

问题22

InacomputerbasedonthevonNeumannmodel,instructionsanddataareallstoredinmemory,andCPUdistinguishthemaccordingtheiraddress.

A.对B.错

问题23

Systemsoftwareispurchased,andappliedsoftwareiseditbyourselves.

问题24

WhichofthefollowinglanguagescanbeimplementeddirectlyandeditedbyMnemonic（助记符）:

①Assemblylanguage;

②machinelanguage;

③High-levellanguage;

④Operatingsystemprimitives;

⑤Regularlanguage

A.①,④B.②，①C.②，⑤D.①，③

问题25

Incomputerterminology,CPUconsistsofcalculatorandcontroller.

第二章

If[X]2’scomplement=0.1101010，then[X]sign-magnitude=（）

A.0.0010110B.1.0010110C.1.0010101D.0.1101010

（）isusedtorepresentaddressincomputer.

A.1’scomplementB.unsignednumberC.2’scomplementD.signmagnitude

NumbersX1,X2areinteger,and【X1】2’scompl=10011011，【X2】2’scompl=00011011,thentheirtruevalueofdecimalformare_-101_______and___27_____。

Thesign-magnituderepresentationof‘0’isunique.

Plustwo2’scomplementnumbersthatadopt1signbit,overflowmustoccurwhen（）.

A.carrysignalisgeneratedfromthesignbit

B.XORoperationforcarrysignalgeneratedfromthesignbitandcarrysignalgeneratedfromthehighestnumericalbitis‘0’

C.XORoperationforcarrysignalgeneratedfromthesignbitandcarrysignalgeneratedfromthehighestnumericalbitis‘1’

D.XORoperationforcarrysignalgeneratedfromthesignbitandcarrysignalgeneratedfromthehighestnumericalbitis‘1’

Therangeofrepresentationfora1’scomplementnumbersystemof64bits（includingthesignbit）is（）.

A.0≤|N|≤263–1B.0≤|N|≤262–1C.0≤|N|≤264–1D.0≤|N|≤263

Fixedpointnumbercanbeclassifiedintopuredecimal（纯小数）andpureinteger（纯整数）.

Infixedpointcalculator,whetheradopteddoublesignbitorsinglesignbit,itmusthas（）,whichisoftenimplementedby（）.

A.Decodingcircuit,NANDgateB.encodingcircuit,NORgate

C.overflowdetectioncircuit,XORgateD.shiftcircuit,AND-ORgate

Arithmeticshift2’scomplementofapositive,signbitremainsunchanged,andtheblankbitfillsin‘0’.Arithmeticleftshift2’scomplementofanegative,signbitremainsunchanged,andthelowbitfills____0__.Arithmeticrightshift2’scomplementofanegative,signbitremainsunchanged,andthehighbitfills__1____,andtruncatlowbit.

Letthewordlengthis8,thefixedpointintegerwith2’scomplementrepresentationof-1is__11111111_____.

Infixedpointoperation,itwillbeoverflowwhentheresultexceedstherepresentrangeofthecomputer.

Fora8-bit2’scomplementrepresentationintegernumber,itsminimalvalueis___-128___,itsmaximalvalueis___127___.

Afixedpointnumberiscomposedofsignbitandnumericalpart.

Therangeofrepresentationfora2’scomplementnumbersystemof16bits（includingthesignbit）is（）.

A.-215~+（215-1）B.-（215–1）~+（215–1）C.-215~+215D.-（215+1）~+215

8-4-2-1BCDcodeofanumberis011110001001，thenitstruevalueis__789____.

Theaddition/subtractionalgorithmforsignmagnituderepresentationisrathersimple.

Whichofthefollowingnumbersisoddparity?

A.010110011B.001000111C.110100111D.110100111

Thenumberrepresentedinthecomputersometimeswillbeoverflow,thefundamentalreasonisthelimitedcomputerwordlength.

Forfixedpointbinarycalculator,subtractionisimplementedthrough（）.

A.2’scomplementbinarysubtractorB.2’scomplementbinaryadder

C.signmagnitudedecimaladderD.signmagnitudebinarysubtractor

In2’scomplementaddition/subtraction,using2signbitsforoverflowdetection,whenthe2signbits‘S1S2’equals‘10’,itmeansthat（）.

A.resultispositive,withnooverflowB.resultisnegative,withnooverflow

C.resultisoverflowD.resultisunderflow

The2’scomplementrepresentationof-127is10000000.

Theminimalnumberofthefollowingnumbersis（）.

A.（100101）2B.（100010）BCDC.（50）8D.（625）16

2’scomplementrepresentationof‘0’equalsto1’scomplementrepresentationof‘-1’.

If[X]2’scomplement=1.1101010，then[X]sign-magnitude=（）

A.1.0010101B.1.0010110C.0.0010110D.0.1101010

Forsignmagnituderepresentation,1’scomplementrepresentation,2’scomplementrepresentation,_signmagnituderepresentation____and__1’scomplementrepresentation___has2representationsof‘0’.

问题26

Theuseof2’scomplementoperationisadoptedtosimplifythedesignofcomputer.

问题27

Fixedpointcalculatorisusedfor（）.

A.fixedpointoperationB.floatingpointoperation

C.fixedpointoperationandfloatingpointoperationD.decimaladdition

问题28

When-1<

x<

0,[x]sign-magnitude=（）

A.1-xB.（2-2-n）-|x|C.2+xD.x

问题29

Themaximalnumberofthefollowingnumbersis（）.

A.（227）8

B.（96）16

C.（10010101）2

D.（143）5

问题30

8-4-2-1codeisbinarynumber.

问题31

Adecimalnumberis137.5,thenitsoctalformis_211.4____,itshexadecimalformis__89.8___.

问题32

Fora8-bit1’scomplementrepresentationintegernumber,itsminimalvalueis_-127_____,itsmaximalvalueis__127___.

问题33

The（）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=11001100，【x2】signmag=1.0110,thedecimalvalueofx1andx2are

___-52__and__-0.375___.

第五章

Calculatorhasmanycomponents,butdatabusisthekeypart.

Inanadder,thecarrygeneratevariable（G）ofbit‘i’is（）.

A.Xi⊕Yi

B.Xi·

Yi·

Ci

C.Xi＋Yi＋Ci

D.Xi·

Yi

Thecarrylook-aheadcircuitchip74182realizesthecarrylogicbetweengroupsinparallel.

Thesubtractionalgorithmoffixedpointbinaryisrealizedby（）.

A.subtractionforsignmagnituderepresentation

B.additionforbinarycodedecimal

C.additionfor2’scomplementrepresentation

D.subtractionfor2’scomplementrepresentation

ThemainfunctionofALUis（）.

A.arithmeticoperation

B.onlyadditionoperation

C.logicoperation

D.logicandarithmeticoperation

Inaripple-carryadder,thekeyfactoraffectingthespeedoftheadderis（）.

A.Gate-leveldelay

B.speedofcomponents

C.variousspeedofeachfulladderforbiti

D.carrypropagationdelay

Acalculatorconsistsofmanycomponents,butthekeycomponentofcalculatoris（）.

A.arithmeticandlogicunit

B.databus

C.accumula