Definition of System

Definition Last Updated 17-Dec-2015 12:51

A system is a collection of physical entities, which may be individually referred to as resources or components of the system, having specific attributes (including both physical characteristics and behaviours) that, working together in a defined context, deliver a specific set of capabilities.

The name of a system is a reference to the complete working set of components. Membership of a system is non-exclusive: a resource or component may belong to more than one system simultaneously.

The physicality of systems does not exclude software, applications etc.; these are included as behaviours of systems arising from compliance with behavioural specifications, i.e. code, applications etc. do not have independent functional existence.


System is a defined term of Enterprise Architecture. System is a defined term of Business Analysis.

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