计算机技术导论试题(8)及答案（introduction to computer technology questions (8) and answers）

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1、计算机技术导论试题(8)及答案（Introductiontocomputertechnologyquestions(8)andanswers）Judgmentquestion(1)accordingtothecurrentdistributionofcomputermarket,thecomputercanbedividedintolargecomputers,microcomputers,embeddedsystemsandsoon.(a)Correctmistake(2)theformulaofRadixweight

2、expansioncanbeusedtoconvertthenumberofRRadixto10decimalnumber.(a)Correctmistake(3)thenumberofmantissadigitsinthefloatingpointrepresentationishigher,andthehigherthedataaccuracycanberepresented.(a)Correctmistake(4)thedataoflogicaloperationsarenotpositiveornegative.

3、(a)Correctmistake(5)thetotalnumberofallstorageunitsinamemoryiscalleditsstoragecapacity.(a)Correctmistake(6)iftheaddresslineofCPUhasanroot,theCPUaddressablememoryspaceis2n.(a)Correctmistake(7)alotofdigitalsignalprocessingalgorithmsarerealizedbyhardwareinDSPchip.(a

4、)Correctmistake(8)adriverisaspecialprogramthatenablesthecomputertocommunicatewiththedevice.(a)Correctmistake(9)paragraphmarkersaregeneratedafterpressingtheEnterkey.(a)Correctmistake(10)databasemanagementofExcelcansupportdatarecording,adding,deleting,modifyingando

5、theroperations.(a)Correctmistake(11)thedatabasesystemincludesdatabaseanddatabasemanagementsystem.(a)Correctmistake(12)inAccess,thenameofafieldcannotcontainafullstop".(a)Correctmistake(13).Thedatabaseisstoredonmagnetictape,disk,diskorotherstoragemediumandbycertain

6、structuretogetheracollectionofrelevantdata.(a)Correctmistake(14)hubsandrepeatersareinterconnectingdevicesinthephysicallayer.(a)Correctmistake(15)anetworkprotocoldefinestheformatandorderofmessagesexchangedbetweentwoormorecommunicationentities,andtheactionstakeninp

7、ackettransmission,reception,orotherevents.(a)Correctmistake(16)becausethecommunicationbetweentheusernodesmustpassthroughthecentralnode,thestarnetworktopologyiseasytocontrolcentrally.(a)Correctmistake(17)notepadandDreamweaveraretwodifferenttypesofwebeditingtools.(

8、a)Correctmistake(18)HTMLfilescanalsobeannotatedusingannotationtagslikeprogramminglanguages.(a)Correctmistake(19)acomputervirusisaprogramthatcaninfectotherprogr