System Analysis and Design Chapter 6 Review Questions

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1. What is the importance of conducting the requirements discovery process? It is necessary in order to effectively design, construct, and ultimately implement a system to meet the user’s needs. 2. What are the possible consequences if you fail to identify system requirements correctly and completely? • The system may cost more than projected. • The system may be delivered later than promised. • The system may not meet the user’s expectations, and that dissatisfaction may cause them not to use it. Once in production, the costs of maintaining and enhancing the system may be excessively high. • The system may be unreliable and prone to errors and downtime. • The reputation of the IT staff on the team is tarnished because any failure, • Regardless of who is at fault, will be perceived as a mistake by the team. 3. What are some of the criteria deemed to be critical in defining system requirements? • Consistent-The requirements are not conflicting or ambiguous. • Complete-The requirements describe all possible system inputs and responses. • Feasible-The requirements can be satisfied based on the available resources and constraints. • Required-The requirements are truly needed and fulfill the purpose of the system. • Accurate-The requirements are stated correctly. • Traceable-The requirements directly map to the functions and features of the system. • Verifiable-The requirements are defined so that they can be demonstrated during testing. 4. The requirements discovery process consists of what activities? • Problem discovery and analysis. • Requirements discovery. • Documenting and analyzing requirements. • Requirements management. 5. Briefly describe the purpose and component parts of an Ishikawa diagram. The fishbone-shaped diagram begins with the name of the problem (or the fish's head). The possible causes of the problem

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