计算机技术导论试题及答案（introduction to computer technology questions and answers）

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1、计算机技术导论试题(3)及答案（Introductiontocomputertechnologyquestions(3)andanswers）Judgmentquestion(1)thegradualdevelopmentofsoftwareisthetrendofcomputerdevelopment.(a)Correctmistake(2)thebasicnumberofthe8decimalsystemisfrom1to8.(b)Correctmistake(3)theformulaofRadixweightexpansioncanbeusedtoconver

2、tthenumberofRRadixto10decimalnumber.(a)Correctmistake(4)therearealsobyteorderproblemsinUTF-8.(b)Correctmistake(5)atwork,thepowerissuddenlyinterruptedandalltheinformationintheROMwillbelost.B)Correctmistake(6)thecommonlyusedCD-ROMdiskcanonlyreadtheinformationandcannotwriteit.(a)Correctmi

3、stake(7).Inthevirtualmemoryofthememoryhierarchy"memory-secondarylevel.(a)Correctmistake(8)computersoftwarereferstoprogramsrunningonacomputer.(b)Correctmistake(9)thenameoftheExcelworksheetisdeterminedbythefilename.(b)Correctmistake(10)graphicsandgraphicsrelateddatacannotbeprocessedinExc

4、el.(b)Correctmistake(11)thenumberoftuplesinarelationislimited.(a)Correctmistake(12)thedatabaseisthecoreofthedatabasesystem.(b)Correctmistake(13)inadatabasesystem,dataisnolongerorientedtoanapplication,butisdescribedandorganizedasawholeandmanageduniformlybyDBMS,sodatacanbesharedbymultipl

5、eusersandmultipleapplications.(a)Correctmistake(14)DNSisnotonlyadistributeddatabase,butalsoaserviceofapplicationlayerinTCP/IPprotocol.(a)Correctmistake(15)usinginterconnectdevices,hubscanformabustypenetwork.(b)Correctmistake(16)thecomputernetworkislogicallydividedintodataprocessingsubn

6、etandcommunicationsubnet.(b)Correctmistake(17)Dreamweavercanonlypagelayoutintabularform.(b)Correctmistake(18)usingtheframeworkstructure,youcanbrowsemultiplepagesathome.(a)Correctmistake(19)inasymmetrickeycryptographysystem,thetwopartiesmustsharethesecretkeyinadvance.(a)Correctmistake(2

7、0)inordertorealizesecurecommunication,inthepublickeycryptographysystem,theencryptionkeyissecret,andthedecryptionkeyispublic.(b)CorrectmistakeRadioexamination(21)thehostconsistsof(a).ALU,memoryandcontrollerArithmeticandcontrollerInputdeviceandoutputdeviceMemoryandcontroller(22)largecl