system

Description

attributes and characteristics of a Software System
Simone Calcagno
Mind Map by Simone Calcagno, updated more than 1 year ago
Simone Calcagno
Created by Simone Calcagno over 6 years ago
3
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Resource summary

system

Annotations:

  • An assembly of components that are connected together in an organized way
  1. Software System
    1. Software
      1. Malleability:
        1. Easy to change
          1. Changes introduce errors
          2. Size
            1. large programs might have more errors
            2. Complexity
              1. Complex programs arent easy to undestand and modify. They might have more error based on the complexity
            3. Useful
              1. usable
                1. flexible
                  1. reliable
                    1. available
                      1. affordable
                        1. Legacy system
                          1. old
                            1. large
                              1. developed using outdate techniques
                                1. Implemented with old programming languages
                                  1. critical to business
                                    1. changed a number of times since their inception
                                      1. Difficult to understand because of either a lack of domumentation about their internal structure or a lack of experience within the group responsible for them
                                        1. Difficult to maintain
                                        2. Sociotechnical system
                                          1. People
                                            1. Organisations
                                              1. Other technical components
                                              2. Architecture
                                                1. Layers
                                                  1. Presentation
                                                    1. Application domain
                                                      1. Infrastructure (OS DB, etct)
                                                      2. components
                                                        1. Services
                                                      3. Viepoint

                                                        Annotations:

                                                        • A viepoint correspond to a different sets of users and therefore different purposes. Subjective oredering of reality
                                                        1. System boundary

                                                          Annotations:

                                                          • Conceptual line that divides the system and what it escludes
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