MANAGEMENT INFORMATION SYSTEMS
15th Edition
ISBN: 9780134640037
Author: LAUDON
Publisher: PEARSON
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Chapter 14, Problem 3RQ
Explanation of Solution
Costs and benefits of information systems
- Major costs of information systems include hardware, software and telecommunications equipment that is phones, switches and so on.
- It also includes services rendered to maintain and upgrade a system and personnel needed to run the systems...
Explanation of Solution
Difference between tangible and intangible benefits
| Tangible benefits | Intangible benefits |
| Tangible benefits are the ones that can be quantified. | Intangible benefits are the ones that lead to tangible ones sometime in the future... |
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Students have asked these similar questions
A Personal Address Book application program allows the user to add, delete, search, save, and
load contact information. The program separates the user interface (command-line) and the
internal processing subsystem. The internal processing system consists of the following classes:
•
•
Contact Manager (responsible for add and delete operations)
Contact Finder (responsible for the search operation)
pataManager (responsible for save and load operations)
a. What design pattern can be used to implement the user interface? Explain your answer using a
class diagram for the entire system.
b. Draw a UML sequence diagram to show the behavioral view of the Personal Address Book
program, demonstrating what happens when a user enters new contact information.
A system comprises three components: A, B, and C. Calling A requires calling B, and calling B
requires calling A. Component C is responsible for dissimilar tasks T#1, #2, and T#3.
a. Comment on the modifiability of this system. What problems do you see in this system, and
how would you solve them?
b. Suppose that T#1 is performed by both component A and C. What does this indicate about A
and C? How would you solve this problem?
Please answer questions from number 1 to 3 if these questions in the image provided below(NOTE: THESE QUESTIONS ARE NOT GRADED!)
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