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Visual Models for Software Requirements by Joy Beatty and Anthony Chen

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Chapter 9. Process Flow

I have decided to prepare a fancy meal for my family at the holidays. I want to prepare my menu ahead of time so I can shop for groceries the day before. I have to make a decision whether to buy beef or fish for the main meal. If I want fish, I need to go to the fish market in addition to the grocery store. If I decide on beef, I can get it at the same store as the rest of the groceries. On the night of the meal, I will set up my formal dining room for dinner, prepare the food ahead of time, serve drinks before we eat, and serve three courses—salad, main meal, and dessert. If we finish earlier than 10 P.M., I will clean up after everyone goes home. Otherwise I will rinse the dishes and leave the rest of the cleaning for ...

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