Unit 11: Systems Analysis and Design P2

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Task 1.2 P2 – SSADM Stages and Features SSADM is a specific development model. It stands for Structured Systems Analysis and Design Method. It’s the development life cycle of a system that is to be made. The development life cycle has multiple main stages • Feasibility • Analysing what the user needs. • Designing the program • Coding the program • Testing the system • Maintaining the system Feasibility Feasibility study is one of the first stages of the life cycle. This stage is first because this will help the programmer/analysts determine whether the software that is going to be developed will be cost effective to make and determine whether or not it will be possible to create. There are many features of feasibility study that have to be accounted for. These are; • Technical features – Do the staff of the organisation have the knowledge to design and create the software if they don’t then will there be anyone to hire to do the job. • Operational features – Does the software meet all the user requirements? Another thing to consider is how the user will feel about the changes being made to the software/system • Economics features – Will the change to the software be cost effective to the organisation and how will this affect the business gross. • Schedule features – Does the software/system change can be designed and created with in a set time period without effecting current organisations activities. Analysing what the user needs. The first stage, analysis requires an analyst to contact the customer and find out what they want from the program, the customer may not know exactly what is possible and so it is the analyst’s job to determine exactly what the customer wants the software to do and helps the customer understand what can and can't be done. A list of requirements will be drawn up, and will include essential and desirable requirements

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