Ch20 - Recall The Team Skills Analyzing the Problem (with 5...

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Recall The Team Skills 1. Analyzing the Problem (with 5 steps) 2. Understanding User and Stakeholder Needs 3. Defining the System 4. Managing Scope 1. Establishing project scope 2. Managing your customer 5. Refining the System Definition 6. Building the Right System
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Requirements Pyramid
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Team Skill 5 Refining the System Definition Ch 20. Software Requirements: a more rigorous look Ch 21: Refining the Use Cases Ch 22: Developing the Supplementary Specification Ch 23: On Ambiguity and Specificity Ch 24: Technical Methods for Specifying Requirements
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Chapter 20 Software Requirements A More Rigorous Look Relationships between requirements, features and use cases. Types of requirements. Requirement Vs. Design
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Introduction In previous team skills, the features and the use- case models were at a high level of abstraction for the following reasons. We can better understand the main characteristics of the system by focusing on its features and key use cases and how they fulfill user needs. We can assess the system for its completeness , its consistency , and its fit within its environment . We can use this information to determine feasibility and to manage the scope of the system before making significant resource investments.
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Example About PayPal PayPal is the safer, easier way to pay and get paid online. The service allows anyone to pay in any way they prefer, including through credit cards, bank accounts, buyer credit or account balances, without sharing financial information.
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Ch20 - Recall The Team Skills Analyzing the Problem (with 5...

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