CHAPTER 5 Requirements  analysis
= Systematic requirements analysis is also known as  requirements engineering
=>The term  requirements analysis  can also be applied specifically to the analysis proper, as opposed documentation of th...
Stakeholders –  are persons or organizations (legal entities such as companies, standards bodies) which have a valid inter...
It is increasingly recognized that stakeholders are not limited to the organization employing the analyst. <ul><li>Other s...
<ul><li>anyone involved in purchasing or procuring the system. In a mass-market product organization, product management, ...
System Context Diagram   A System Context Diagram (SCD) in software engineering  are diagrams that represent the actors ou...
System context diagrams are related to Data Flow Diagram, and show the interactions between a system and other actors with...
System Context Diagram   End of Chapter 5
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Chapter 5

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Chapter 5

  1. 1. CHAPTER 5 Requirements analysis
  2. 2. = Systematic requirements analysis is also known as requirements engineering
  3. 3. =>The term requirements analysis can also be applied specifically to the analysis proper, as opposed documentation of the requirements, it is also a critical to the success of a development project
  4. 4. Stakeholders – are persons or organizations (legal entities such as companies, standards bodies) which have a valid interest in the system.
  5. 5. It is increasingly recognized that stakeholders are not limited to the organization employing the analyst. <ul><li>Other stakeholders will include: </li></ul><ul><li>anyone who operates the system (normal and maintenance operators) </li></ul><ul><li>anyone who benefits from the system (functional, political, financial and social beneficiaries) </li></ul>
  6. 6. <ul><li>anyone involved in purchasing or procuring the system. In a mass-market product organization, product management, marketing and sometimes sales act as surrogate consumers (mass-market customers) to guide development of the product </li></ul><ul><li>organizations which regulate aspects of the system (financial, safety, and other regulators) </li></ul><ul><li>people or organizations opposed to the system (negative stakeholders) </li></ul><ul><li>organizations responsible for systems which interface with the system under design </li></ul>
  7. 7. System Context Diagram A System Context Diagram (SCD) in software engineering are diagrams that represent the actors outside a system that could interact with that system
  8. 8. System context diagrams are related to Data Flow Diagram, and show the interactions between a system and other actors with which the system is designed to interface and it can be helpful in understanding the context which the system will be part of.
  9. 9. System Context Diagram End of Chapter 5
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