Application 1: Data Modeling (Solved)

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Unit 6 Assignment 1

 

Application 1: Data Modeling

In your earlier analysis efforts, specifically in structural modeling, you examined the organization of data within a system. The approach that you used in analyzing that data structure was an object-oriented approach. In this Application you use a structured approach to model the data flow processes as you develop the data aspect of your design.

Consider this scenario: Quality Tools is a company that sells a line of high-quality tools through an online store. When customers place orders on the company’s website, 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. The system automatically bills the customer when the order ships. The system also produces various reports.

For this Application, perform the following:

·         Draw a context diagram for the order system.

·         Draw a Level 0 DFD for the order system.

·         Justify the choices you made in your context diagram and DFD.

·         Briefly compare the structured approach you use here with the object-oriented approach outlined in your reading.

Cite your sources according to APA guidelines.

Submit your assignment by Day 7.

Use this rubric to estimate your grade on the assignment.

 

 

Unit 6 Assignment 1

To submit your completed Assignment for Turnitin review and grading, do the following:

Click the View/Complete link. Then click the Submit button next to the name of the Assignment. Once you have clicked on the link, scroll down and choose the appropriate paper item submission method from the drop down menu and fill in the remaining required fields. (Please use the naming convention "UN6Assgn1+first initial+last name" as the Submission Title.)

Next, click on the Browse button. Find the document you saved as "UN6Assgn1+first initial+last name.doc" and click Open. Then click on the Upload button at the bottom of the page. You will then see a screen where you may review your submission. Once you have finished reviewing your submission, click on the Submit button. Finally, you will see a screen that will indicate your paper was submitted successfully.

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