Questions
1. Describe data and process modeling concepts and tools.
2. Explain the differences between Gane and Sarson and Yourdon symbols. Provide examples of symbols that represent processes, data flows, data stores, and entities.
3. What is the difference between a context diagram and diagram 0? Which symbol is not used in a context diagram?
4. How would you explode DFDs?
5. Describe a data dictionary and list the types of information it contains.
6. How would you level DFDs?
7. How would you balance DFDs?
8. What is the purpose of decision tables? How do you create them?
9. Why would a manager prefer a decision tree instead of a decision table?
10. What is structured English?