Answer to Question #250838 in Software Engineering for parth

Question

System, such as ShopSavvy(shopsavvy.com), allows people to purchase goods from over 40,000 stores via a single application. Suppose two system maintenance requests have emerged for mobile shopping applications in following situations: Situation 1:A new payment method (e.g., Bitcoins) is needed to be added to mobile shopping application. Situation 2:This is based on mixed payment method.customer can use multiple payment ways in a single transaction, such as credit card or gift card. Suppose a customer decides to pay using both. customer first pays a portion of full amount through gift card and then balance using credit card. In this case, it has been identified that mobile shopping application incorrectly charges the amount paid on credit card instead of balance before completing transaction.

a.Specify what categories of system maintenance are described above.

b.Assume that you are performing an impact analysis of changes.Identify consequence that could occur due to each of changes requested above. 

Answer 1

a. Situation 1: Perfective maintenance system

Situation 2: Corrective maintenance system

b. The consequences of improvements brought by Situation 1: incorrect currency exchange rates, changes caused by additional legislation introduction such as additional requirements from regulators.

The consequences of corrections brought by Situation 2: some gift/credit cards may not work, or the use of gift cards will be paused/stopped till the problem is solved.