Chapter 6 Case

Chapter 6

1. Are the DFDs in PE Figures 6-1 and 6-2 balanced? Show that they are, or are not. If they are not balanced, how can they be fixed? I think that its not balanced, because there are a lot of additional steps in the 6-2 diagram. The process in the 1st diagram misses the process of how exactly can the company maintain the promotions for the customer such as generating customer reports that feed it based on the customer info. On the flip side however, having too many steps may end up making it worse, especially if the company does not know what do to with the data.

2. Decompose each of the core processes in PE Figure 6-2 and draw a new DFD for each core process.

• Customer makes purchases through the company with or without a coupon > that then is fed to the customer database which sends promotions to the tailored customer

• The Marketing Database will also send promotions to target specific tailored customers as well

• The customer activity report that is generated based on the consumer’s activities generates the coupons that is send to the customer

• The product database then feeds information to generate reports of consumer behavior and also send the consumers coupons based on their trend buys

3. Has the team overlooked any core processes in the system that should be in PE Table 6-1 and PE Figure 6-2? I do not believe so

4. Redesign PE Figures 6-1 and 6-2 so that they are clearer, more efficient, and more comprehensive. I personally like the set up, I use something similar in our company that configures the process with the use of Visio

5. Why is it important for the team to create DFDs if they are not going to write the actual system code themselves?

So they understand the process it must go under to get the data using outside sources.