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Functional Requirements and their levels of granularity

What are the levels of granularity of functional requirements and why this is important

Written by Guilherme Siqueira Simões, Carlos Eduardo Vazquez

  • From: Carlos Eduardo Vazquez
  • Date: January 17th, 2020

James, the granularity concept is useful not only to verify requirements completeness, but also to its consistency. For instance, when you identify a fragment of a functionality, it is usually… Show comment

  • From: James Wilson
  • Date: January 16th, 2020

Well described. There are various kinds of functional requirements that always helps you check whether the product is providing all the functionalities that were mentioned in the functional… Show comment


  • From: Patrick Saint-Dizier
  • Date: December 18th, 2019

Dear John, Thanks for your observation, which makes sense. First, let me say that this example is an extract from a real document. If we reason from a purely arithmetic perspective, then interval… Show comment

  • From: John Bromell
  • Date: December 16th, 2019

An interesting article marred by an incoherence The text gives the following example: "Speed between 250 and 220 kts: flap 5 degrees Speed between 220 and 200 kts: flap 15 degrees Speed between… Show comment

  • From: Bonni Sullivan
  • Date: December 12th, 2019

Outstanding context! I'll have to read it more than once to truly sink in, but very affirming. I am a firm believer in documenting what one is involved in during a project; how would one remember… Show comment

  • From: Putcha Narasimham
  • Date: December 10th, 2019

Detecting incoherent Requirements without mastery of language The methods suggested are welcome but all of them seem to demand mastery of language of text of requirements document. That is always so… Show comment