Introduction and Foundations - Requirement Types

4 important questions on Introduction and Foundations - Requirement Types

What is:
  • Shifted system boundary;
  • Shifted grey zone;
  • Extended context boundary;
  • Reduced context boundary

@ Draw an environment of a system to be developed.

Zie pag's 22 / 25 cursus Polteq

Name all aspects of quality requirements


User community
  1. Reliability
  2. Usability
  3. Learnability

Development community
  1. Security
  2. Maintainability
  3. Portability

Characteristics of quality requirements

  • Mostly documented using natural language;
  • To be kept seperated from functional requirements;
  • Relation to other statements traceble;
  • Validation ensured by quantitative assertions;
  • Often made operational by transfermation into additional functionality
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What are the categories of functional requirements perspective?

  1. Data perspective - VB: start tijd / eindtijd of wie is verantwoordelijk voor wat?
  2. Functional perspective - VB: (Logic) Logika, als een schema is gecreeerd door A dan moet hij worden goedgekeurd door B.
  3. Behavioral perspective - VB (State) Status - VB toegeweze afgerond.

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