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Systems Analysis and Design, 4th Edition by Roberta M. Roth, Barbara Haley Wixom, Alan Dennis

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CHAPTER 3

REQUIREMENTS DETERMINATION

During the analysis phase, the analyst determines the business requirements for the new system. This chapter begins by presenting the requirements definition, a document that lists the new system's capabilities. It then describes how to analyze requirements, using business process automation, business process improvement, and business process reengineering techniques, and how to gather requirements through interviews, JAD sessions, questionnaires, document analysis, and observation.

OBJECTIVES

  • Become familiar with the analysis phase of the SDLC.
  • Understand how to create a requirements definition.
  • Become familiar with requirements analysis techniques.
  • Understand when to use each requirements analysis technique.
  • Understand how to gather requirements by using interviews, JAD sessions, questionnaires, document analysis, and observation.
  • Understand when to use each requirements-gathering technique.

CHAPTER OUTLINE

Introduction

Requirements Determination

What Is a Requirement?

Requirements Definition

Determining Requirements

Creating the Requirements Definition

Requirements Analysis Techniques

Business Process Automation

Business Process Improvement

Business Process Reengineering

Comparing Analysis Techniques

Requirements-Gathering Techniques

Requirements-Gathering in Practice

Interviews

Joint Application Development

Questionnaires

Document Analysis ...

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