计算机导论复习题（introduction to computer）

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1、计算机导论复习题（Introductiontocomputer）(1)biologicalcomputerhasthecharacteristicsofsmallsize,highefficiency,selfrepair,lowenergyconsumptionandnosignalinterference.(a)Correctmistake(2)thecomplementsubtractioncanbeconvertedtocomplementadditionoperation.(a)Correctmistake(3)standardASCIIencodes128symbo

2、lsin7bitbinarysystems.(a)Correctmistake(4)paritycheckismainlyusedforverificationofsinglecharactercommunication.(a)Correctmistake(5)abusisasetofcommoninformationpathwaysthatconnectmultiplefunctionalcomponentswithinacomputer.(a)Correctmistake(6)Cacheusuallystoresthemostfrequentlyusedinformatio

3、nvolumeinmainmemory.(a)Correctmistake(7)PCisauniversalcomputer.(a)Correctmistake(8)virtualCD-ROMisatoolforsimulatingCD-ROMwork.(a)Correctmistake(9)thedefaulttemplatenamefortheWorddocumentisNomal.dot.(a)Correctmistake(10)paragraphmarkersaregeneratedafterpressingtheEnterkey.(a)Correctmistake(1

4、1)thenumberoftuplesinarelationislimited.(a)Correctmistake(12)relationaltablesallownestedtablesintables".(b)Correctmistake(13)thedatabaseisthecoreofthedatabasesystem.(b)Correctmistake(14)bridgesareinterconnectingdevicesonthenetworklayer.(b)Correctmistake(15)aremoteentityinvolvingtwoormorecomm

5、unicationsinacomputernetworkactivity,andsometimescanbeboundwithoutnetworkprotocol.(b)Correctmistake(16)becausethecommunicationbetweentheusernodesmustpassthroughthecentralnode,thestarnetworktopologyiseasytocontrolcentrally.(a)Correctmistake(17)thewebsiteisacollectionofwebpages.(a)Correctmista

6、ke(18)notepadandDreamweaveraretwodifferenttypesofwebeditingtools.(a)Correctmistake(19)inordertorealizesecurecommunication,inthepublickeycryptographysystem,theencryptionkeyissecret,andthedecryptionkeyispublic.(b)Correctmistake(20)digitalsignature,likehandwrittensignature,iseasytoimitateandfor

7、ge.(b)CorrectmistakeRadioexamination(21)acompletecomputersystemconsistsof(C).HardwareSystemsoftwareandapplicationsoftwareHardwaresystemandsoftwaresystemCentralprocessingunit(22)amicrocomputersystemisusuallycomposedofseveralparts(C).UPS,controllers,