Chp 5 hw1

Chapter 5 Review QuestionsName:
Date:
Type out and highlight your answers (use the Text Highlight Color tool with MS Word) your
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1. Describe data and process modeling, and name the main data and process modeling
techniques.
2. Describe the Gane and Sarson symbols used for processes, data flows, data stores, and entities. Give
four examples of typical names for processes, data flows, data stores, and entities.
3. What is the relationship between a context diagram and diagram 0, and which symbol is not used in a
context diagram?
4. What is meant by an exploded DFD?
5. Describe a data dictionary and give examples of how and when it is used.
6. Explain the DFD leveling technique.
7. What is a balanced DFD?
8. Describe the steps in creating a decision table.
9. Discuss the pros and cons of decision tables versus decision trees.
10. What is structured English?