Information Systems Hierarchy
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What it is
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a pyramid structure dividing Information Systems into four levels, each tied to a specific organizational user level and a specific form of data/output
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The four levels (bottom to top)
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Transaction Processing System (TPS) — Line workers, raw transaction data
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Management Information System (MIS) — Middle Managers, structured Information
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Decision Support System (DSS) — Senior Managers, analytical Knowledge
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Executive Information System (EIS) — Executives, strategic Wisdom
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Significance
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the underlying data progression across levels is Data -> Information -> Knowledge -> Wisdom; integrating all four levels ensures every management tier gets information support matching its role and responsibilities
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