CHAPTER 3
REQUIREMENTS DETERMINATION
During the analysis phase, the analyst determines the functional requirements for the new system. This chapter begins by describing the analysis phase and its primary deliverable, the system proposal. The concept of a requirement is explained and several categories of requirements are defined. The purpose and structure of the requirements definition statement is outlined. Techniques to elicit requirements are discussed, including interviews, JAD sessions, questionnaires, document analysis, and observation. Finally, several requirements analysis strategies are described to help the analyst discover requirements.
OBJECTIVES
- Explain the analysis phase of the SDLC.
- Describe the content and purpose of the requirements definition statement.
- Classify requirements correctly as business, user, functional, or nonfunctional requirements.
- Employ the requirement elicitation techniques of interviews, JAD sessions, questionnaires, document analysis, and observation.
- Define the role that each requirement elicitation technique plays in determining requirements.
- Describe several analysis strategies that can help the analyst discover requirements.
CHAPTER OUTLINE
Introduction
The Analysis Phase
Requirements Determination
What Is a Requirement?
The Process of Determining Requirements
The Requirements Definition Statement
Requirements Elicitation Techniques
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