Context diagram and Decision table drawing help

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    In the Apply Your Knowledge section found at the end of Chapter 5 in your textbook reference Mini Case 2 and Mini Case 3. Students will submit a context diagram for the order system and create a decision table to be submitted as a Word document.
    Kitchen Gadgets
    Kitchen Gadgets sells a line of high-quality kitchen utensils and gadgets. When customers place orders onthe company’s Web site or through electronic data interchange (EDI) the system checks to see if the itemsare in stock issues a status message to the customer and generates a shipping order to the warehousewhich fills the order. When the order is shipped the customer is billed. The system also produces variousreports.Tasks
    1. List four elements used in DFDs draw the symbols and explain how they are used.
    2. Draw a context diagram for the order system.
    3. Draw a diagram 0 DFD for the order system.
    4. Explain the importance of leveling and balancing.
    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.
    Tasks
    1. Create a decision table that describes the Big State University course catalog regarding eligibility for
    MIS 260. Show all possible rules.
    2. Simplify the table you just created. Describe the results.
    3. Draw a simplified decision tree to represent the Big State University catalog. Describe the results.
    4. Why might you use a decision tree rather than a decision table?

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