ICT A Level – Module 4 – SSADM
Homework – SSADM Sheet
Explain why systems analysis should be employed when developing a computer system rather than just “knocking up” a system from scratch.
SSADM is a systems approach to the analysis and design of information systems. Short for Structured Systems Analysis and Design Method, a set of standards developed in the early 1980s for systems analysis and application design widely used for government computing projects in the United Kingdom. SSADM uses a combination of text and diagrams throughout the whole life cycle of a system design, from the initial design idea to the actual physical design of the application.
SSADM uses a combination of three techniques:
Logical Data Modeling -- the process of identifying, modeling and documenting the data requirements of the system being designed. The data is separated into entities (things about which a business needs to record information) and relationships (the......
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