Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Question
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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Students have asked these similar questions
Even when not doing a systems analysis, structured language may be helpful for describing processes.
Distinguish between the major tools and techniques used in system development.
The stages of a typical system development process are separated by time and have different goals.
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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- A gradual approach to implementing new functionality, beginning with a basic set, then adding more advanced functionality after users have had a chance to adjust to the new system is a good idea because: Group of answer choices Users can get new ideas for advanced functionality once they have a chance to use the basics of the new system. This approach allows for an iterative approach to be taken to fix issues and make improvements to the new system. It sets in motion “the journey” of continuous improvement and process redesign using the new system. All of the above.arrow_forwardInformation system analysis is a separate but complementary approach to the development process.arrow_forwardSoftware Engineering Question: Explain why change is inevitable in complex systems and give examples (apart from prototyping and incremental delivery) of software process activities that help predict changes and make the software being developed more resilient to change.arrow_forward
- When doing system analysis and design, why is it helpful to use an object-oriented approach?arrow_forwardEven if a technique isn't part of a system analysis, structured language may still be helpful.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_forwardWhen creating software system models, what points of view should be considered?arrow_forward
- Product support is affected by the amount of known flaws in a programme at the time of delivery.arrow_forwardA typical software project that follows the software development life cycle may be managed using WBS (SDLC).arrow_forwardSeveral of the tools and techniques used during the system development process may need to be named and briefly explained.arrow_forward
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