Information System

Updated 18 Sep 2026

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What it is
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  a combination of information technology and the human activities that use that technology to support business processes, operations, management, and decision-making at various levels of an organization (Turban, Pollard & Wood, 2018)
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What it enbales
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  decision-making and coordination, but also lets managers and workers analyze problems, visualize complex data, and create new products
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Operating Model
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  built around the IPOS Cycle, with a feedback element to keep system performance aligned with expectations
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Structural view
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  organized as a hierarchy of system types serving different organizational levels — see Information Systems Hierarchy
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Organizational dimensions
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  people — users, decision-makers, developers, and support personnel
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  organization —roles, processes, rules, resources, and relationships
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  technology — hardware, software, networks, and data infrastructure
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Information requirements
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  begin with the decision or task
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  determine the information needed
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  identify the data and transformations needed to produce it
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  specify how the information can be found and accessed
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Knowledge support
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  systems can support learning and insight as well as operations and formal management decisions
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Related
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  IPOS Cycle
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  Information Systems Hierarchy

Linked references 4