An Information System (IS) is an organized set of people, procedures, and technology that collects, processes, stores, and distributes information to support operations and decision making.
In simple words: IS converts data → information → action inside an organization.
Common parts of an IS:
Organizations need IS because it helps to:
Example:
Management levels and decision types:
Information needs change by level:
A TPS is an information system that records and processes routine day-to-day transactions of the organization.
Transactions include:
TPS is the foundation: other systems often depend on TPS data.
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Information needs vary by level:
Thus, IS must provide the right level of detail for each level of management.
TPS role (any three):
So, TPS is the foundation of organizational information systems.
A management information system (MIS) is a computer system consisting of hardware and software that serves as the backbone of an organization's operations. An MIS gathers data from multiple online systems, analyzes the information, and reports data to aid in management decision-making.
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An Information System (IS) is an organized set of people, procedures, and technology that collects, processes, stores, and distributes information to support operations and decision making.
In simple words: IS converts data → information → action inside an organization.
Common parts of an IS:
Organizations need IS because it helps to:
Example:
Management levels and decision types:
Information needs change by level:
A TPS is an information system that records and processes routine day-to-day transactions of the organization.
Transactions include:
TPS is the foundation: other systems often depend on TPS data.
MIS uses TPS data and produces periodic reports for management control and planning.
Common MIS reports:
MIS is best for structured decisions (routine management decisions).
A DSS is a computer-based system that helps managers make decisions in semi-structured problems by using models and analysis.
Example:
An ESS/EIS provides top executives with highly summarized, strategic information to support unstructured decisions.
Example:
Decision types:
How IS helps:
TPS data → MIS reports → DSS analysis/models → ESS dashboards → Strategic decisions
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This table clearly shows how IS types differ by level, output and decision support.
