In: Computer Science
Coulter Creek Winery would like software to manage their customer base. Please draw a context diagram, DFD, and include a data dictionary for this system.
Important Items
1. Who are the customers.
2. What kind of wind to they drink.
3. How much wine to they buy?
4. Complaints.
Here the task is to draw a context diagram, a DFD and include a data dictionary for the given case.
Context Diagram- It is used to define the environment where the entities interact with the system. For the above case, the context diagram is given below-
Here there is interaction with the customer in two ways. One, when the customer places an order and the other when he/she needs to complain.
Data Flow Diagram (DFD)- It is used to graphically represent the flow of data in an organization. For the given Question DFD is as follows-
Data Dictionary- It shows what type of elements are lined up in the given context. Data Dictionary for the above question is given below-