FUNDAMENTALS OF INFORMATION SYSTEMS
FUNDAMENTALS OF INFORMATION SYSTEMS
9th Edition
ISBN: 9781337897747
Author: STAIR
Publisher: CENGAGE L
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Chapter 9, Problem 10RQ
Program Plan Intro

Difference between phishing, smishing, and vishing.

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You are given a class that processes purchases for an online store. The class receives calls to: • Retrieve the prices for items from a database • Record the sold items • Update the database • Refresh the webpage a. What architectural pattern is suitable for this scenario? Illustrate your answer by drawing a model for the solution, showing the method calls/events. b. Comment on how applying this pattern will impact the modifiability of the system. c. Draw a sequence diagram for the update operation.
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