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System

dictionary-term

Alternative Forms

  • Sys abbreviation

Definitions

Definition 1 Computer Science

A system is any set of related and discrete IT components (computer hardware, software, data, and data processing operation) regarded as a coherent whole.

This set may be extended to comprise non-IT components (entities, procedures, and activities) that play a role in the system.

The term system may designate a system design (e.g. a software blueprint), a system package (e.g. a software product), or a system instance (e.g. an installed software). The terms system design, system package, or system instance may be used when the context is not sufficiently clear.

Disambiguation

The following terms are near synonymous but may be used with nuances:

  • An Application Program is a system that derives its coherence from its capability to fulfill some functional requirements.

  • An Information Security Domain is a system that comprises authorities, entities, identities, and authorizations that constitute a community of interest.

  • The term Information System used with the definite article the is used to designate the overall system of an organization, i.e. the super system that encompasses all the IT systems owned or managed by that organization.

  • The term Information System used with the indefinite article an focuses on how information flows throughout the system makes it a consistent whole.

  • IT System focuses on the IT components of the system, i.e. hardware, software, data, and data processing.

  • The term System is the most generic and should be preferred when referring to both IT (hardware, software, data, data processing) and non-IT (information, procedures, human activities) components

Sample Sentences

Conceptual Diagram

Related Terms

Quotes

 Butterfield et al., 2016, System entry
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 OMB A-130, 1996, §6
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 ESD-TR-73-278, Vol. 1, 1973, p. 1
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Bibliography

See Also

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