Supply Ordering System
SuperClassAssignment Question:
Draw a context diagram that represents a Supply Ordering System (SOS). This system is to be used by EraTech company to supply computers to their clients whenever order has been finalised. Decompose this to a level-0 diagram. Document the process description into Structured English and Decision Treebased on the discount policy given below.
Discount policy:
Using the SOS, EraTech sends out invoices monthly and will give discounts if payments are made within 10 days. The discount policy is as follows: If the amount of the order for computer supplies is greater than $1,000, subtract 4 percent for the order; if the amount is between $500 and $1,000, subtract a 2 percent discount; if the amount is less than $500, a discount is not applicable. All orders made via the Web will automatically receive an extra 5 percent discount.
ASSIGNMENT RUBRICS
Criteria | |
Draw a context diagram | Three or more correct external entityindrawing context diagram with detailed assumptions for system scope and terms |
Draw level 0 Diagram
| Three or more correct external entity, process,and data store indrawing level 0 diagram with detailed assumptions forsystem scope and terms |
Write Structured English | Four or more correct IF/ELSE statementswith detailed conditions and assumptions |
Draw Decision Tree
| Four or more correct logical structureswith detailed conditions and assumptions |
10 years ago
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- supply_ordering_system.docx