Mini Case $1$: Kitchen Gadgets

Kitchen Gadgets sells a line of high$-$quality kitchen utensils and gadgets. When customers place orders on the company$$s website or through electronic data interchange $($EDI$),$ the system checks to see if the items are in stock, issues a status message to the customer, and generates a shipping order to the warehouse, which fills the order. When the order is shipped, the customer is billed. The system also produces various reports.

Task:

Draw a context diagram for the order system.

Mini Case $2$: Big State University

The Big State University course catalog reads as follows: $$To enroll in MIS $260,$ which is an advanced course, a student must complete two prerequisites: MIS $120$ and MIS $222.$ A student who completes either one of these prerequisites and obtains the instructor$$s permission, however, will be allowed to take MIS $260.$

Task:

Create a decision table that describes the Big State University course catalog regarding eligibility for MIS $260.$ Show all possible rules.