1. Analysing client requirements Before you can start to analyse the information you have gathered you should think about what you are trying to achieve

10. DFD diagram for the processes for making an appointment.

12. There is no one correct answer for a DFD but it should have the same external entities, data stores, data flows and processes.

18. Most CASE products have the following components: Contains all definitions of functions, processes, data and rules, in other words, a data dictionary Central repository Automatically generates an application from design by code generation and/or database definitions Application generator Assists in data analysis, checks for consistency and completeness Design Analyser Diagrams can be easily drawn and arranged using standard symbols, such as DFDs Diagramming tool