Methodologies
Structured Systems Analysis and Design Methodology was first developed in 1981. Version 4 was launched in 1990 and is still used. SSADM is freely available for use in industry, and is the official methodology which the government uses for their projects. SSADM is based on the systems development life cycle.• Investigation of the current environment • Logical design (one of the main focus of SSADM) • Physical design (one of the main focus of SSADM) These stages are even further broken down into more complex stages. • Improve project management & control • Make more effective use of experienced and inexperienced staff • Doesn’t cause a major disaster when a staff member is lost. • Enable projects to be supported by computer-based tools such as computer-aided software engineering systems • Establish a good framework for communications between people involved in the project The techniques that SSADM concentrate on include,
This diagram taken from, http://www.buyersguide.co.uk/profiles/f/feechan_consulting/method.htm, shows us how the main problem areas are identified within the organisation, it’s continually going over it’s self to get out every weak area in the organisation. • It makes DFDs easier to read as well as cutting out irrelevant aspects of the DFDs and only showing what is important. • Saves money by the staff doing most of the work.
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