Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Chapter 9, Problem 9.6E
Program Plan Intro
Legacy Systems:
Legacy systems are software systems that are built and developed specifically for an organization that have a long time. These systems are business critical and are essential for normal functioning in business.
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Even when not doing a systems analysis, structured language may be helpful for describing processes.
The stages of a typical system development process are separated by time and have different goals.
In a typical system development process, each phase has a particular objective.
Chapter 9 Solutions
Software Engineering (10th Edition)
Ch. 9 - Explain why a software system that is used in a...Ch. 9 - Prob. 9.2ECh. 9 - Prob. 9.3ECh. 9 - Prob. 9.4ECh. 9 - What are the strategic options for legacy system...Ch. 9 - Prob. 9.6ECh. 9 - As a software project manager in a company that...Ch. 9 - Prob. 9.8ECh. 9 - Explain the differences between software...Ch. 9 - Prob. 9.10E
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- Even if a technique isn't part of a system analysis, structured language may still be helpful.arrow_forwardComputer Science You have been hired as a systems analyst to work with two other analysts. Your task is to document the functional requirements of the Australian Tax Office (ATO) in UML. In a typical learning environment, assignments are often based on hypothetical case studies, like those in the tutorials. Such case studies are limiting because you have little opportunity to investigate how authentic computer systems work, thus making it difficult to appreciate the complexity of an authentic system, the need for analysis and the usefulness of analysis tools. We hope that by investigating an authentic system you will appreciate the importance of analysis and the role of UML as a communication and analysis tool. During the analysis stage, UML is used to specify systems requirements, which will be used to design a computer system. In this assignment, we will use UML to document a system that has already been computerised – like reverse engineering a system (from an existing computer…arrow_forwardWhen doing system analysis and design, why is it helpful to use an object-oriented approach?arrow_forward
- Explaining procedures that do not involve systems analysis should be done using structured language.arrow_forwardWhen creating software system models, what points of view should be considered?arrow_forwardA(n) ______ is a collection of software packages and tools used to develop expert systems that can be implemented on most popular PC platforms to reduce the time and costs required to develop an expert system.arrow_forward
- An organization has selected and is now implementing a software package. Identify three key factors that will determine the cost and time required for implementation.arrow_forwardA safety-critical system is one whose failure or misuse may cause human injury or death. Given that an EHR system can be considered to be such a system, which tasks associated with software implementation deserve special attention?arrow_forwardSeveral of the tools and techniques used during the system development process may need to be named and briefly explained.arrow_forward
- Explain the goal of the traditional systems development process in addition to going through each stage in detail.arrow_forwardSome of the tools and techniques used during the system development process may need to be named and briefly explained.arrow_forwardAn information system's phase-by-phase plan may be developed using the results of a literature study.arrow_forward
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