Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Chapter 9, Problem 9.4E
Explanation of Solution
Scrapping software:
Some of the circumstances organizations decide to scrap a system when the system assessment suggests that it is of high quality and of high business value and rewrite it are:
- When organization has decided to invest in new hardware but the cost of maintenance is high, then the organization might scrap and rewrite the system as it involves significant conversion costs anyway so the opportunity might be taken to rewrite the software...
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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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- Define the Pareto principle, and discuss how it applies to prioritizing system requirements.arrow_forwardYou and your team have been hired to perform a system investigation for a fast food restaurant that wants to implement new tools and processes to improve its customer service. Currently, the restaurant has a poor reputation for not correctly filling customers orders and for taking too long to do it. Perform a functional decomposition to define the scope and basic requirements of such a system. Brainstorm some ideas to improve the situation, and choose one to pursue based on its technical, economic, legal, operational, and schedule feasibility.arrow_forwardThe overall emphasis of the __________ phase is on gathering data on the existing system, determining the requirements of the new system, considering alternatives within identified constraints, and investigating the feasibility of alternative solutions. a. investigation b. analysis c. design d. constructionarrow_forward
- Any potential change in system requirements that are identified or suggested after the design phase must __________. a. go through a formal scope change process before work on them begins b. be evaluated in terms of how they might affect system performance c. require feasibility analysis d. all of the abovearrow_forwardYou have been selected to participate on the systems investigation team for a new system in your area of the business. How can you contribute to the success of the effort? How might you use critical success factors to identify important system requirements?arrow_forwardDuring the _____________ step of the systems development process, it is determined how the system must work, what inputs are required, and what outputs must be produced to meet the defined business needs. a. investigation b. analysis c. design d. constructionarrow_forward
- The purpose of the system investigation phase is to ________________. a. define what the information system must do to solve the problem or capitalize on the opportunity b. gain a clear understanding of the specifics of the problem to solve or the opportunity to address c. gather data on the existing system and determine the requirements for the new system d. identify, confirm, and prioritize system requirementsarrow_forwardAny potential changes in system requirements that are identified or suggested after the design phase must ____________. a. go through a formal scope change process before work on them begins b. be evaluated in terms of how they might affect system performance c. require feasibility analysis d. all of the abovearrow_forward
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