Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 4.9E
When emergency changes have to be made to systems, the system software may have to be modified before changes to the requirements have been approved. Suggest a model of a process for making these modifications that will ensure that the requirements document and the system implementation do not become inconsistent.
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Throughout the course of the system development process, it will be important to make a list of and provide a short explanation of a selection of the methodologies and approaches that were employed.
Even before a change to the specifications has been approved, emergency system adjustments may need modifying the system software. Describe how to make these changes such that the requirements paper and the system implementation are not at odds.
When emergency changes have to be made to systems, the system software may have to be modified before changes to the requirements have been approved. Suggest a model of a process for making these modifications that will ensure that the requirements document and the system implementation do not become inconsistent.
Chapter 4 Solutions
Software Engineering (10th Edition)
Ch. 4 - Identify and briefly describe four types of...Ch. 4 - Prob. 4.2ECh. 4 - Prob. 4.3ECh. 4 - Prob. 4.4ECh. 4 - Prob. 4.5ECh. 4 - Suggest how an engineer responsible for drawing up...Ch. 4 - Prob. 4.7ECh. 4 - Prob. 4.8ECh. 4 - When emergency changes have to be made to systems,...Ch. 4 - Prob. 4.10E
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- Any 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_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_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_forward
- The primary tool for assessing the software marketplace to determine whether existing packages can meet the organization’s needs is the ____________ a. system investigation report. b. request for quotation. c. RFI. d. system design report.arrow_forwarda) In your opinion, at what point in time should users get training on a new system? b)which phase of the system life cycle is considered to be the most innovative and challenging? b) In which step of the SDLC life cycle does the cost of mistake correction decrease to its lowest point?arrow_forwardDuring the course of the system development process, it will be important to identify and briefly explain a selection of the tools and methodologies that were used?arrow_forward
- How might you use a model of a system that already exist? Explain why it is not always necessary for such a system model to be complete and correct. Would the same be true if you were developing a model of a new system? Who should be involved in a requirements review? Draw a process model showing how a requirement review might be organized.arrow_forwardSRE Prepare a possible list of features from system and also prepare requirement baseline by following all the steps. All the necesarry detail should be included Scenario Pair programming is an agile software development technique in which two programmers work together at one work station. One types in code while the other reviews each line of code as it is typed in. The person typing is called the driver. The person reviewing the code is called the observer. The two programmers switch roles frequently (possibly every 30 minutes or less). Suppose that you are asked to build a system that allows Remote Pair Programming. That is, the system should allow the driver and the observer to be in remote locations, but both can view a single desktop in real-time. The driver should be able to edit code and the observer should be able to “point” to objects on the driver’s desktop. In addition, there should be a video chat facility to allow the programmers to communicate. The system should allow…arrow_forwardJustification and need for full system testing must be made clear.arrow_forward
- When selecting a system model, what steps are taken to ensure that it is appropriate?arrow_forwardImplementation alternatives that could be considered during the system development life cycle (SDLC).arrow_forwardA system is in place to review proposed modifications, decide whether to accept them, manage them, and keep tabs on their progress. All changes must be reviewed and approved by the Change Control Board (CCB).What are the four ways in which effective change management might lead to a more favorable outcome?arrow_forward
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9.1.2 Software Development Approaches; Author: EIToppo;https://www.youtube.com/watch?v=Z9znuSQ7Sz8;License: Standard YouTube License, CC-BY