Waterfall Model.pdf - PROCESS MODELS THE WATERFALL MODEL...

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PROCESS MODELSTHE WATERFALL MODELGROUP ONEMEMBERSADMISSION NUMBER1.DERICK DOUGLAS PAMBAH J17-3042-20192.ELIZABETH WANGUIJ17-3006-20193.JOSEPH KING`ARAJ17-3022-20194.FELISHNA WAIRIMUJ17-3037-20195.GABRIEL NGETIJ17-3028-20196.EMMANUEL WANGILAJ17-3045-20197.EDWARD NGUGIJ17-3004-20198.JAMES NJENGA KARANJAJ17-5550-201911WATERFALL MODEL
THE WATERFALL MODELDEFINITIONThe waterfall model is a classical model used in system development lifecycle to create a system with a linear and sequential approach. It is termedas waterfall because the model develops systematically from one phase toanother in a downward fashion. This model is divided in various phases andthe output of one phase is used as the input of the next phase. Every phasehas to be completed before the next phase starts and there is nooverlapping of phases. Also referred to asLinear-Sequential Life CycleModeldue to its sequential flow.SEQUENTIAL PHASES OF WATERFALL MODEL1.Requirements2.System Design3.Implementation4.Integration and Testing5.Deployment of the system6.Maintenance
PHASE 1: REQUIREMENTSIn this case the requirements are gathered by the business analystand they are analysed by the team. Requirements are documentedduring this phase and clarifications can be sought. Business analystsdocument the requirements based on their discussion with thecustomer. For example, after going through the requirements andanalysing them, the following sample questions can be establishedWill the new banking application be used in more than onecountry?

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Term
Summer
Professor
MRS EVELYN
Tags
Software development process, Business analyst

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