Lower case tools are used in implementation,testing & maintenance - Formal Modelling & Verification

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• Nirja Shah   -Posted on 20 Oct 15
  Components of CASE Tools
  
  - CASE tools can be broadly divided into the following parts based on their use at a particular SDLC stage:
  
  Central Repository
  - CASE tools require a central repository, which can serve as a source of common, integrated and consistent information.
  - It is a central place of storage where product specifications, requirement documents, related reports and diagrams, other useful information regarding management is stored.
  - It also serves as data dictionary.
  
  Upper Case Tools
  - They are used in planning, analysis and design stages of SDLC.
  
  Lower Case Tools
  - They are used in implementation, testing and maintenance.
  
  Integrated Case Tools
  - They are helpful in all the stages of SDLC, from Requirement gathering to Testing and documentation.
  
  - CASE tools can be grouped together if they have similar functionality, process activities and capability of getting integrated with other tools.

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