informationsystemsmanagement英文原文+翻译学生信息管理系统的设计与发展文献翻译.docx

informationsystemsmanagement英文原文+翻译学生信息管理系统的设计与发展文献翻译.docx

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informationsystemsmanagement英文原文+翻译学生信息管理系统的设计与发展文献翻译

TheDesignandDevelopmentoftheStudents'InformationManagementSystem

Asinformationtechnologyadvances,variousmanagementsystemshaveemergedtochangethedailylivesofthemorecoherent,totheextentpossible,theuseofnetworkresourcescanbesignificantlyreasonablereductionofmanualmanagementinconvenienceandwasteoftime.

Acceleratingthemodernizationofthe21stcentury,thecontinuousimprovementofthescientificandculturallevels,therapidgrowthofthenumberofstudentswillinevitablyincreasethepressureinformationmanagementstudents,theinefficientmanualretrievalcompletelyincompatiblewiththecommunity\'sneeds.TheStudentInformationManagementSystemisaninformationmanagementonekindwithinsystem,currentlyinformationtechniquecontinuouslyofdevelopment,thenetworktechniquehasalreadybeenappliedinusextensivelynearbyofeverytrade,thereisthenetworktechnicaldevelopment,eachhighschoolsallmakeuseofacalculatortomanagetodotolearn,theschoolisoperatedbyhandicraftbeforeofthewholetediousaffairsallgotfastandsolvehigh-efficiencily,especiallystudentresultmanagementthesystemhadintheschoolverybigfunction,allcanbemoreconvenient,fastforthestudentandtheteachercomingsayingandunderstandaccuratelywithmanagementeveryonenoodlesinformation.

AbstractItisaveryheavyandbaldnessjobofmanagingabulkydatabasebymanpower.Thedisadvantage,suchasgreatcapacityofwork,lowefficiencyandlongperiod,existindatainputting,demandingandmodification.Sothecomputermanagementsystemwillbringusaquitechange.Becausetherearesomanystudentsintheschool,thedataofstudents'informationishuge,itmakesthemanagementoftheinformationbecomeacomplicatedandtediouswork.Thissystemaimsattheschool,passingbypracticallyofdemandanalysis,adoptmightyVB6.0todevelopthestudentinformationmanagementsystem.Thewholesystemdesignprocessfollowtheprincipleofsimpleoperation,beautifulandvividinterfaceandpracticalrequest.Thestudentinformationmanagementsystemincludingthefunctionofsystemmanagement,basicinformationmanagement,studymanagement,prizeandpunishmentmanagement,printstatementandsoon.Throughtheproofofusing,thestudentinformationmanagementsystemwhichthistextdesignedcansatisfytheschooltomanagethedemandoftheaspecttostudents'information.Thethesisintroducedthebackgroundofdevelopment,thefunctionsdemandedandtheprocessofdesign.Thethesismainlyexplainedthepointofthesystemdesign,thethoughtofdesign,thedifficulttechniqueandthesolutions.Thestudentmanagedthecreationofthesystemtoreducetheinconvenienceonthemanpowerconsumedly,letthewholestudentthedatamanagementismoresciencereasonable.Theplacethatthissystemhasmostthespecialfeaturesisthebackstagedatabasetounifythemanagementtostudent'sinformation.Thatsystemmainlyisdividedintothesystemmanagement,studentprofessionmanagement,studentfilemanagement,schoolfeesmanagement,coursemanagement,resultmanagementandprintthestatement.Theinterfaceofthesystemistomakeuseofthevbsoftwarecreationof,abovefewmoldspiecesareallmakeuseofthevbtocontrolathepiecebindstosettleofmethodtocarryouttheconjunctiontowardthebackstagedatabase,thebackstagedatabaseprobablyisdividedintofollowingfewformses:

Professionalinformationform,thechargescategoryform,studentthejobform,studenttheinformationform,politicalfeatureformofstudent,thecustomerlogsontheformThesystemusedClient/Serverstructuredesign,thesystemisinthedatafromoneserverandanumberofTaiwanformedLANworkstations.Userscancheckthecompetenceofdifferentsystemsindifferentuserssubmitpersonaldata,backgrounddatabaseyoucanquicklygiventhemandatetoseetothecontent.

Marksmanagementisaimportantworkofschool,theoriginalmanualmanagementhavemanyinsufficiencies,thereasonsthat,students'populationaremultitudinousinschool,andeachstudent'sinformationaretoocomplex,thustheworkloadareextremelybig,thestatisticsandtheinquiryhavebeeninconvenient.Therefore,howtosolvetheseinsufficiencies,letthemarksmanagementtobemoreconvenientandquickly,haveahigherefficiency,andbecomeakeyquestion.

Moreandmorearealsourgentalongwithschoolautomationthemarksmanagementwhenscienceandtechnologyrapiddevelopment,thereforeisessentialtodevelopthesoftwaresystemofmarksregistertoassisttheschoolteachingmanagement.Sothatcanimprovethemarksmanagement,enhancetheefficiencyofmanagement.

SystemsAnalysisandDesign

Systems

Workingundercontrolofastoredprogram,acomputerprocessesdataintoinformation.Thinkaboutthatdefinitionforaminute.Anygivencomputerapplicationinvolvesatleastthreecomponents:

hardware,software,anddata.Merelywritingaprogramisn’tenough,becausetheprogramisbutonecomponentisinasystem.

Asystemisagroupofcomponentsthatworktogethertoaccomplishanobjective.Forexample,considerapayrollsystem.Itsobjectiveispayingemployees.Whatcomponentsareinvolved?

Eachday,employeesrecordtheirhoursworkedontimecards.Attheendofeachweek,thetimecardsarecollectedanddeliveredtothecomputercenter,wheretheyarereadintoapayrollprogram.Asitruns,theprogramaccessesdatafiles.Finally,thepaychecksareprintedanddistributed.Forthesystemtowork,people,procedures,inputandoutputmedia,files,hardware,andsoftwaremustbecarefullycoordinated.Notethattheprogramisbutonecomponentinasystem.

SystemsAnalysis

Computer-basedsystemsaredevelopedbecausepeopleneedinformation.Thosepeople,calledusers,generallyknowwhatisrequired,butmaylacktheexpertisetoobtainit.Technicalprofessionals,suchasprogrammers,havetheexpertise,butmaylacktrainingintheuser’sfield.Tocomplicatematters,usersandprogrammersoftenseemtospeakdifferentlanguages,leadingtocommunicationproblems.Asystemsanalystisaprofessionalwhotranslatesuserneedsintotechnicalterms,thusservingasabridgebetweenusersandtechnicalprofessionals.

Likeanengineeroranarchitect,asystemsanalystsolvesproblemsbycombiningsolidtechnicalskillswithinsight,imagination,andatouchofart.Generally,theanalystfollowsawell-defined,methodicalprocessthatincludesatleastthefollowingsteps:

Problemdefinition

Analysis

Design

Implementation

Maintenance

Attheendofeachstep,resultsaredocumentedandsharedwithboththeuserandtheprogrammers.Theideaistocatchandcorrecterrorsandmisunderstandingsasearlyaspossible.Perhapsthebestwaytoillustratetheprocessisthroughexample.

Pictureasmallclothingstorethatpurchasesmerchandiseatwholesale,displaysthisstock,andsellsittocustomersatretail.Ontheonehand,toomuch:

stockrepresentsanunnecessaryexpense.Ontheotherhand,apoorselectiondiscouragesshoppers.Ideally,abalancecanbeachieved:

enough,butnottoomuch.

Complicatingmattersisthefactthatinventoryisconstantlychanging,withcustomerpurchasesdepletingstock,andreturnsandreordersaddingtoit.Theownerwouldliketotrackinventorylevelsandreorderanygivenitemjustbeforethestorerunsout.Forasingleitem,thetaskiseasy-justcountthestock-on-hand.Unfortunately,thestorehashundredsofdifferentitems,andkeepingtrackofeachoneisimpractical.Perhapsacomputermighthelp.

ProblemDefinition

Thefirststepinthesystemsanalysisanddesignprocessisproblemdefinition.Theanalyst’sobjectiveisdeterminingwhattheuserneeds.Notethat,astheprocessbegins,theuserpossessesthecriticalinformation,andtheanalystmustlistenandlearn.Fewusersaretechnicalexperts.Mostseethecomputerasa“magicbox,”andarenotconcernedwithhowitworks.Atthisstage,theanalysthasnobusinesseventhinkingaboutprograms,files,andcomputerhardware,butmustcommunicatewiththeuseronhisorherownterms.

Theideaistoensurethatboththeuserandtheanalystarethinkingaboutthesamething.Thus,aclear,writtenstatementexpressingtheanalyst’sunderstandingoftheproblemisessential.Theusershouldreviewandcorrectthiswrittenstatement.Thetimetocatchmisunderstandingsandoversightsisnow,beforetime,money,andeffortarewasted.

Often,followingapreliminaryproblemdefinition,theanalystperformsafeasibilitystudy.Thestudy,abriefcapsuleversionoftheentiresystemsanalysisanddesignprocess,attemptstoanswerthreequestions:

1.    Cantheproblembesolved?

2.    Canitbesolvedintheuser’senvironment?

3.    Canitbesolvedatareasonablecost?

Iftheanswertoanyoneofthesequestionsisno,thesystemshouldnotbedeveloped.Givenagoodproblemdefinitionandapositivefeasibilitystudy,theanalystcanturntoplanninganddevelopingaproblemsolution.

Analysis

Asanalysisbegins,theanalystunderstandstheproblem.Thenextstepisdeterminingwhatmustbedonetosolveit.Theuserknowswhatmustbedone;duringanalysis,thisknowledgeisextractedandformallydocumented.Mostusersthinkintermsofthefunctionstobeperformedandthedataelementstobemanipulated.Theobjectiveistoidentifyandlinkthesekeyfunctionsanddataelements,yieldingalogicalsystemdesign.

Startwiththesystem’sbasicfunctions.Thekeyiskeepingtrackofthestock-on-handforeachproductininventory.Inventorychangesbecausecustomerspurchase,exchange,andreturnproducts,sothesystemwillhavetoprocesscustomertransactions.Thest