COA试卷样题2

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1、课程ComputerOrganizationandArchitecture（A）（2008年级）(09-10)(计算机组织与结构再修)课程性质（█必修□专业限选□任选）考试方式（█闭卷□开卷）得分PARTA.Ⅰ。Selectthebestanswersbasedonthiscourseandfillthemintofollowingtable.(Thereare40questionsinthispart，each1point，total40points)questionanswerquestionanswerquestiona

2、nswerquestionanswer111213121222323132333414243451525356162636717273781828389192939102030401.ThecontrolsignalgivenbyCUdoesn’tinclude__________.A.thatread/writememoryorI/OB.thatturnon/offthegatesonthepathwayforinformationflowC.thatrequeststoCPUexampleasInterruptreques

3、tsignalD.thatmakearithmeticorlogicoperation2.Themorecomplicatedinstructionexecutionincludes______cycle(s).A.4B.3C.2D.13._________gavetheconceptofstored-program.A.BillGatesB.GordonMooreC.WilliamStallingsD.JohnvonNeumann4.Thewidthoftrackequalto______.A.thewidthofheadB

4、.thewidthofdriveC.0D.25.ThemainfunctionsofALUare______.A.logicoperationsB.logicandarithmeticoperationsC.arithmeticoperationsD.onlyaddition6.Inaninstruction,sourceandresultoperandscannotin______.A.memoryB.CPUregisterC.diskD.cache7.PCholds_______________.A.addressofne

5、xtinstructionB.nextinstructionC.addressofoperandD.operand3得分8.Thenegationofan8-bittwoscomplement____ischangedtoa16-bitthatequalto1111111111010011.A.01010011B.11010011C.00101101D.101011019.TheDIRECTADDRESSINGmeans___.A.operandincludesininstructionB.addressofoperand’s

6、addressincludedininstructionC.operandbeenunnecessaryD.operand’saddressincludedininstruction10.Aunsignedbinarynumberisnbits,soitiscanrepresentavalueintherangebetween_________.A.0ton-1B.1tonC.0to2n-1D.1to2n11.Iftwonumbersareadded,andtheyarebothpositiveorbothnegative,t

7、henoverflowoccursifandonlyiftheresulthas______.A.theoppositesign.B.acarryflagC.thesamesignD.azeroflag12.ThedisadvantageofINDIRECTADDRESSINGis____________.A.largeaddressingrangeB.nomemoryaccessC.morememoryaccessD.largevaluerange13.InRAID,paritymeansthatmoredisk’scapa

8、cityisused_____.A.toenlargecapacityofavailabledataindisksystemB.toenabletherecoveryofdatalostduetoadiskfailureC.tofindandcorrecttheread/wr