首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
从供选择的答案中选出应填入下列叙述中( )内的正确答案： 视觉上对彩色的感觉有3个特征，反映颜色种类的特征叫(A) ，反映颜色深浅程度的叫(B) ，二者有时通称为(C) ，另外还有一个特征叫(D)...
查看本题答案
包含此试题的试卷
中级数据库系统工程师《简单单选》真题及答案
点击查看
你可能感兴趣的试题
从供选择的答案中选出应填入下列叙述中内的正确答案已知一棵二叉树的前序序列和中序序列分别为ABDEGC
从供选择的答案中选出应填入下列叙述中内的正确答案在操作系统中处理器管理部分由作业管理和进程管理两部分
从供选择的答案中选出应填入下列叙述中内的正确答案在ISO的OSI模型中提供流量控制功能的层是A提供建
从供选择的答案中选出应填入下列叙述中内的正确答案在计算机系统中当高速外设采用DMA方式进行输入/输出
从供选择的答案中选出应填入下列叙述中内的正确答案多媒体技术中图形格式一般为两类即A和B具体的存储方式
从供选择的答案中选出应填入下列叙述中内的正确答案1PC总线A2输入设备B3网络技术C4CPUD5汉字
从供选择的答案中选出应填入下列叙述中内的正确答案数据库系统是由ABC和软件支持系统组成其中A是物质基
从供选择的答案中选出应填入下列叙述中内的正确答案堆是一种有用的数据结构例如关键码序列A是一个堆堆排序
从供选择的答案中选出应填入下列叙述中内的正确答案各种程序设计语言中都有多种数据类型纯量数据类型和结构
从供选择的答案中选出应填入下列叙述中内的正确答案 关系型数据库语言SQL目前得到了越来越广泛的使用
从供选择的答案中选出应填入下列叙述中内的正确答案 数据库系统是由ABC和软件支持系统组成其中A是物
从供选择的答案中选出应填入下列叙述中内的正确答案 多媒体技术中图形格式一般为两类即A和B具体的存储
从供选择的答案中选出应填入下列叙述中内的正确答案由国际标准化组织和国际电信联盟共同提出的开放系统互连
从供选择的答案中选出应填入下列叙述中内的正确答案操作系统是一种A作业管理和进程管理是操作系统的重要组
从供选择的答案中选出应填入下列叙述中内的正确答案设w为一个二维数组其每个数据元素占用6个字节行下标i
从供选择的答案中选出应填入下列叙述中内的正确答案 视觉上对彩色的感觉有3个特征反映颜色种类的特征叫
从供选择的答案中选出应填入下列叙述中内的正确答案在高级语言中子程序调用语句中的A在个数类型/I匝序方
单项选择题本大题共30个小题每小题1分共30分在每小题的四个备选答案中选出一个正确答案并将正确答案的
政治
经济
文化
zōng jiāo
从供选择的答案中选出应填入下列叙述中内的正确答案关系型数据库语言SQL目前得到了越来越广泛的使用SQ
从供选择的答案中选出应填入下列叙述中内的正确答案 数据库是按照一定的规则存储在计算机中的相关数据的
热门试题
更多
TheRationalUnifiedProcessRUPisasoftwareengineeringprocesswhichcapturesmanyofbestpracticesinmodemsoftwaredevelopment.Thenotionsof36andscenarioshavebeenproventobeanexcellentwaytocapturefunctionrequirements.RUPcanbedescribedintwodimensions-timeandcontent.Inthetimedimensionthesoftwarelifecycleisbrokenintocycles.Eachcycleisdividedintofourconsecutive37whichisconcludedwithawell-defined38andcanbefurtherbrokendowninto39-acompletedevelopmentloopresultinginareleaseofanexecutableproductasubsetofthefinalproductunderdevelopmentwhichgrowsincrementallytobecomethefinalsystem.Thecontentstructurereferstothedisciplineswhichgroup40logicallybynature. 36
Therelationaldatabasemodelrequiresthedatabe110throughprogramsthatdon’trelyonthepositionofthedatainthedatabase.Thisisindirect111totheotherdatabasemodewheretheprogramhastofollowaseriesofpointerstothedataitseeks.Aprogram112arelationaldatabasesimplyasksforthedataitseeks;theDBMSperformsthenecessarysearchesand113theinformation.The114onhowthesearchisdonearespecifictotheDBMSandvaryfromproducttoproduct. 111是
31analysisemphasizesthedrawingofpictorialsystemmodelstodocumentandvalidatebothexistingand/orproposedsystems.Ultimatelythesystemmodelsbecomethe32fordesigningandconstructinganimprovedsystem.33issuchatechnique.Theemphasisinthistechniqueisprocess-centered.Systemsanalystsdrawaseriesofprocessmodelscalled34.35isanothersuchtechniquethatintegratesdataandprocessconcernsintoconstructscalledobjects. 32是
TheRationalUnifiedProcessRUPisasoftwareengineeringprocesswhichcapturesmanyofbestpracticesinmodemsoftwaredevelopment.Thenotionsof36andscenarioshavebeenproventobeanexcellentwaytocapturefunctionrequirements.RUPcanbedescribedintwodimensions-timeandcontent.Inthetimedimensionthesoftwarelifecycleisbrokenintocycles.Eachcycleisdividedintofourconsecutive37whichisconcludedwithawell-defined38andcanbefurtherbrokendowninto39-acompletedevelopmentloopresultinginareleaseofanexecutableproductasubsetofthefinalproductunderdevelopmentwhichgrowsincrementallytobecomethefinalsystem.Thecontentstructurereferstothedisciplineswhichgroup40logicallybynature. 38
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable6ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach7thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe8thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines9showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives10requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 10
WhilemostrecentattentionintheAIfieldhasbeenfocusedonexpertsystemsoftwareAI66hasalsoseendramaticadvances.Activityinthepastyearswascharacterizedbynewlow-costpowerfulLispmachinestheintroductionofAIworkstationsLispcompilersbecomingavailableforallmajorprofessionalandengineeringworkstationsandthepersonalcomputeremergingasa67.toolforexpertsystemdevelopment.Thenextfewyearswillseethistechnologyevolvesfurther. Becausethe68ofanAIcomputerrepresentsasizableinvestmentcompaniesshouldcarefully69alloptionsthatareavailableaswellashaveagoodideaofwhatthenextgenerationofsystemswillofferinorderto70theoptimumsystem.Thispublicationprovidestheinformationnecessarytogainthisunderstanding. 68是
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable6ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach7thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe8thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines9showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives10requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 8
Object-orientedDBMSintegratedavarietyof81datatypes-suchasbusinessproceduresgraphicspicturesvoiceandannotatedtext. Objectorientationalsomakesa82toapplicationdevelopmentefficiency.Itmakesthedatafunctionsattributesandrelationshipsanintegralpartofthe83.Inthiswayobjectscanbereusedandreplicated. SomeleadingRDBMSvendorssupporttheconceptofintegratingobjectmanagementcapabilitieswiththeircurrentlineofrelationalproducts.Thatcapabilityenableuserstothedevelopmentcyclesinceintegritylogicandbusinessrolesnolongerneedtobeprogrammed84eachapplication. 81是
Withthewidespreaduseofthepersonalcomputermanyauthoritiesinthefieldof56havepointedouttheneedforcomputerliteracy. Unfortunatelythereisno57agreementastowhattheterm"computerliteracy"means.Somefeelthatcomputerliteracymeansknowinghowtomakethecomputer"compute";thatisknowinghowtoprogramcomputersinoneormoreprogramminglanguages. Othersfeelthatknowinghowtoprogramismerelyasmallsegmentofcomputerliteracy.Thesepeople58themajoremphasisinschoolsshouldbeonteachinghowtoeffectivelyusethemanysoftwarepackagesthatareavailable. Stillotherssuggestthatcomputerliteracyeducationisnotrequired.Theysuggestthatcomputersarebeingsorapidlyintegratedintooursocietythatusingacomputerwillbeas59asusingatelephoneoravideotaperecorderandthatspecialeducationwillnotbenecessary.60ofone’sdefinitionofcomputerliteracyitisrecognizedbymostthatlearningtouseacomputerisindeedanimportantskillinmodernsociety. 59
Atypical160languagecontainsanapplicativesub-languagewhichapproximatesthemathematicalabstractionsof"timeless"functionsappliedto"spaceless"valueswheretheactualoperationsequencesanduseofstoragespaceduringexpressionevaluationareorganizedbehindthe161.Inthissettingvaluesaredatastructuresoflowvolumetypicallyafewcomputerwordsorlesswhichmeansthatanillusionofspacelessnesscanberealizedbyhaving162resultsduringexpressionevaluationstoredatthediscretionofthelanguageimplementationandeffectingparameter163and164operationsthroughvaluecopying. 161是
31analysisemphasizesthedrawingofpictorialsystemmodelstodocumentandvalidatebothexistingand/orproposedsystems.Ultimatelythesystemmodelsbecomethe32fordesigningandconstructinganimprovedsystem.33issuchatechnique.Theemphasisinthistechniqueisprocess-centered.Systemsanalystsdrawaseriesofprocessmodelscalled34.35isanothersuchtechniquethatintegratesdataandprocessconcernsintoconstructscalledobjects. 34是
Alocal-areanetworkLANisacommunicationsnetworkthat125avarietyofdevicesandprovidesa126forinformationexchangeamongthosedevices.ThescopeoftheLANissmalltypicallyasinglebuildingoracluster丛ofbuildings.TheLANisusuallyownedbythesameorganizationthatownsthe127devices.TheinternaldatarateofLANisatleastseveralMb/s. ThebasicofLANcommunicationisbroadcasting.Ateachstationthereisatransmitter/receiverthatcommunicatesovera128sharedByotherstations.Atransmissionfromanyonestationis129toandreceivedbyallotherstations. 125是
Therelationaldatabasemodelrequiresthedatabe110throughprogramsthatdon’trelyonthepositionofthedatainthedatabase.Thisisindirect111totheotherdatabasemodewheretheprogramhastofollowaseriesofpointerstothedataitseeks.Aprogram112arelationaldatabasesimplyasksforthedataitseeks;theDBMSperformsthenecessarysearchesand113theinformation.The114onhowthesearchisdonearespecifictotheDBMSandvaryfromproducttoproduct. 113是
Networkmanagershavelong140practicalvoice-over-IPVOIPsolutions.VOIP141easenetworkmanagementanddecreasescostsbyconvergingacompany’stelephonyanddatainfrastructuresintoonenetwork.AndaVOIPsolutionimplementedatacompany’shead-quarterswithfar-reachingbranchofficescan142tremendousamountsof143inlongdistancephonebillsprovidedthatsolutiondeliversPOTS-likevoice144overtheInternet. 140是
Alocal-areanetworkLANisacommunicationsnetworkthat125avarietyofdevicesandprovidesa126forinformationexchangeamongthosedevices.ThescopeoftheLANissmalltypicallyasinglebuildingoracluster丛ofbuildings.TheLANisusuallyownedbythesameorganizationthatownsthe127devices.TheinternaldatarateofLANisatleastseveralMb/s. ThebasicofLANcommunicationisbroadcasting.Ateachstationthereisatransmitter/receiverthatcommunicatesovera128sharedByotherstations.Atransmissionfromanyonestationis129toandreceivedbyallotherstations. 127是
WhilemostrecentattentionintheAIfieldhasbeenfocusedonexpertsystemsoftwareAI66hasalsoseendramaticadvances.Activityinthepastyearswascharacterizedbynewlow-costpowerfulLispmachinestheintroductionofAIworkstationsLispcompilersbecomingavailableforallmajorprofessionalandengineeringworkstationsandthepersonalcomputeremergingasa67.toolforexpertsystemdevelopment.Thenextfewyearswillseethistechnologyevolvesfurther. Becausethe68ofanAIcomputerrepresentsasizableinvestmentcompaniesshouldcarefully69alloptionsthatareavailableaswellashaveagoodideaofwhatthenextgenerationofsystemswillofferinorderto70theoptimumsystem.Thispublicationprovidestheinformationnecessarytogainthisunderstanding. 70是
OriginallyintroducedbyNetscapeCommunications21areageneralmechanismwhichHTTPServersideapplicationssuchasCGI22canusetobothstoreandretrieveinformationontheHTTP23sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe24natureofHTTP.Theadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based25. 24
Thegrowthofswitchinghas135anewgenerationofnetworkmanagementtoolsthathelp136copewiththechallenges137themtocorrelatedevicealarmsinorderto138pinpointrootcausesortomonitorservicelevelswithoutdependingonIPsubnetschemes.Thesenewtoolshavebecomeessentialtocopingwiththeprimary139effectofanytreatmentthatsignificantlyincreasesnetworkflexibility:addedcomplexity. 137
OriginallyintroducedbyNetscapeCommunications21areageneralmechanismwhichHTTPServersideapplicationssuchasCGI22canusetobothstoreandretrieveinformationontheHTTP23sideoftheconnection.BasicallyCookiescanbeusedtocompensateforthe24natureofHTTP.Theadditionofasimplepersistentclient-sidestatesignificantlyextendsthecapabilitiesofWWW-based25. 22
In85softwareonequestionofnear-universalinterestishowrapidlyWindowsNTwhichbeganshippinglastsummerwillbe86inthemarketplaceandforwhatuses.Forthemostpartobserversare87abouttheoperatingsystem’slongtermprospectsbutexpectittoremainon88ratherthandesktopsduring1994sayingthatitwon’tbecomeamainstreamproductuntil89PCstypicallyhave16to24MBofRAMwhichisunlikelytohappennextyear. 88是
Thegrowthofswitchinghas135anewgenerationofnetworkmanagementtoolsthathelp136copewiththechallenges137themtocorrelatedevicealarmsinorderto138pinpointrootcausesortomonitorservicelevelswithoutdependingonIPsubnetschemes.Thesenewtoolshavebecomeessentialtocopingwiththeprimary139effectofanytreatmentthatsignificantlyincreasesnetworkflexibility:addedcomplexity. 139
Networkmanagershavelong140practicalvoice-over-IPVOIPsolutions.VOIP141easenetworkmanagementanddecreasescostsbyconvergingacompany’stelephonyanddatainfrastructuresintoonenetwork.AndaVOIPsolutionimplementedatacompany’shead-quarterswithfar-reachingbranchofficescan142tremendousamountsof143inlongdistancephonebillsprovidedthatsolutiondeliversPOTS-likevoice144overtheInternet. 144是
Alocal-areanetworkLANisacommunicationsnetworkthat125avarietyofdevicesandprovidesa126forinformationexchangeamongthosedevices.ThescopeoftheLANissmalltypicallyasinglebuildingoracluster丛ofbuildings.TheLANisusuallyownedbythesameorganizationthatownsthe127devices.TheinternaldatarateofLANisatleastseveralMb/s. ThebasicofLANcommunicationisbroadcasting.Ateachstationthereisatransmitter/receiverthatcommunicatesovera128sharedByotherstations.Atransmissionfromanyonestationis129toandreceivedbyallotherstations. 129是
TheRationalUnifiedProcessRUPisasoftwareengineeringprocesswhichcapturesmanyofbestpracticesinmodemsoftwaredevelopment.Thenotionsof36andscenarioshavebeenproventobeanexcellentwaytocapturefunctionrequirements.RUPcanbedescribedintwodimensions-timeandcontent.Inthetimedimensionthesoftwarelifecycleisbrokenintocycles.Eachcycleisdividedintofourconsecutive37whichisconcludedwithawell-defined38andcanbefurtherbrokendowninto39-acompletedevelopmentloopresultinginareleaseofanexecutableproductasubsetofthefinalproductunderdevelopmentwhichgrowsincrementallytobecomethefinalsystem.Thecontentstructurereferstothedisciplineswhichgroup40logicallybynature. 40
Networkmanagershavelong140practicalvoice-over-IPVOIPsolutions.VOIP141easenetworkmanagementanddecreasescostsbyconvergingacompany’stelephonyanddatainfrastructuresintoonenetwork.AndaVOIPsolutionimplementedatacompany’shead-quarterswithfar-reachingbranchofficescan142tremendousamountsof143inlongdistancephonebillsprovidedthatsolutiondeliversPOTS-likevoice144overtheInternet. 142是
Withthewidespreaduseofthepersonalcomputermanyauthoritiesinthefieldof56havepointedouttheneedforcomputerliteracy. Unfortunatelythereisno57agreementastowhattheterm"computerliteracy"means.Somefeelthatcomputerliteracymeansknowinghowtomakethecomputer"compute";thatisknowinghowtoprogramcomputersinoneormoreprogramminglanguages. Othersfeelthatknowinghowtoprogramismerelyasmallsegmentofcomputerliteracy.Thesepeople58themajoremphasisinschoolsshouldbeonteachinghowtoeffectivelyusethemanysoftwarepackagesthatareavailable. Stillotherssuggestthatcomputerliteracyeducationisnotrequired.Theysuggestthatcomputersarebeingsorapidlyintegratedintooursocietythatusingacomputerwillbeas59asusingatelephoneoravideotaperecorderandthatspecialeducationwillnotbenecessary.60ofone’sdefinitionofcomputerliteracyitisrecognizedbymostthatlearningtouseacomputerisindeedanimportantskillinmodernsociety. 57
Object-orientedDBMSintegratedavarietyof81datatypes-suchasbusinessproceduresgraphicspicturesvoiceandannotatedtext. Objectorientationalsomakesa82toapplicationdevelopmentefficiency.Itmakesthedatafunctionsattributesandrelationshipsanintegralpartofthe83.Inthiswayobjectscanbereusedandreplicated. SomeleadingRDBMSvendorssupporttheconceptofintegratingobjectmanagementcapabilitieswiththeircurrentlineofrelationalproducts.Thatcapabilityenableuserstothedevelopmentcyclesinceintegritylogicandbusinessrolesnolongerneedtobeprogrammed84eachapplication. 83是
In85softwareonequestionofnear-universalinterestishowrapidlyWindowsNTwhichbeganshippinglastsummerwillbe86inthemarketplaceandforwhatuses.Forthemostpartobserversare87abouttheoperatingsystem’slongtermprospectsbutexpectittoremainon88ratherthandesktopsduring1994sayingthatitwon’tbecomeamainstreamproductuntil89PCstypicallyhave16to24MBofRAMwhichisunlikelytohappennextyear. 86是
Thepurposeoftherequirementsdefinitionphaseistoproduceaclearcompleteconsistentandtestable6ofthetechnicalrequirementsforthesoftwareproduct. Duringtherequirementsdefinitionphasetherequirementsdefinitionteamusesaniterativeprocesstoexpandabroadstatementofthesystemrequirementsintoacompleteanddetailedspecificationofeachfunctionthatthesoftwaremustperformandeach7thatitmustmeet.Thestartingpointisusuallyasetofhigh-levelrequirementsfromthe8thatdescribetheprojectorproblem. Ineithercasetherequirementsdefinitionteamformulatesanoverallconceptforthesystemandthendefines9showinghowthesystemwillbeoperatedpublishesthesystemandoperationsconceptdocumentandconductsasystemconceptreviewSCR. FollowingtheSCRtheteamderives10requirementsforthesystemfromthehighlevelrequirementsandthesystemandoperationsconcept.Usingstructuredorobject-orientedanalysistheteamspecifiesthesoftwarefunctionsandalgorithmsneededtosatisfyeachdetailedrequirement. 6
WhilemostrecentattentionintheAIfieldhasbeenfocusedonexpertsystemsoftwareAI66hasalsoseendramaticadvances.Activityinthepastyearswascharacterizedbynewlow-costpowerfulLispmachinestheintroductionofAIworkstationsLispcompilersbecomingavailableforallmajorprofessionalandengineeringworkstationsandthepersonalcomputeremergingasa67.toolforexpertsystemdevelopment.Thenextfewyearswillseethistechnologyevolvesfurther. Becausethe68ofanAIcomputerrepresentsasizableinvestmentcompaniesshouldcarefully69alloptionsthatareavailableaswellashaveagoodideaofwhatthenextgenerationofsystemswillofferinorderto70theoptimumsystem.Thispublicationprovidestheinformationnecessarytogainthisunderstanding. 66是
热门题库
更多
初级网络管理员
初级信息处理技术员
中级数据库系统工程师
中级多媒体应用设计师
高级系统分析师
高级网络规划设计师
高级系统架构师
中级信息系统监理师
初级通信工程师
中级通信工程师
通信新技术、新业务知识
无线通信专业技术
移动通信专业技术
有线传输专业技术
电话交换专业技术
电信网络专业技术
湘公网安备 43130202000226号