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Types of Business Information

Systems

Lecture 06

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Major Types of Systems in Organizations

Types of information systems

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Major Types of Systems in Organizations

Three Main Categories of

Information Systems

1. Operational-level systems

2. Management-level systems

3. Strategic-level systems

Different Kinds of Systems

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Major Types of Systems in Organizations

1. Transaction Processing Systems (TPS)

2. Management Information Systems (MIS)

3. Decision-Support Systems (DSS)

4. Executive-Support Systems (ESS)

Four Major Types of Systems

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Major Types of Systems in Organizations

The four major types of information systems

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Major Types of Systems in Organizations

Transaction Processing Systems (TPS)

Basic business systems that serve the organizations

operational level

Input: Transactions, events

Processing: Sorting, listing, merging, updating

Output: Detailed reports, lists, summaries

Users: Operations personnel, supervisors

Four Major Types of Systems

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Major Types of Systems in Organizations

A symbolic representation for a payroll TPS

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Major Types of Systems in Organizations

Typical applications of TPS

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Major Types of Systems in Organizations

Management Information Systems (MIS)

Serve management level; provide reports and access tocompany data

Input: Summary transaction data, high-volume data, simplemodels

Processing: Routine reports, simple models, low-levelanalysis

Output: Summary and exception reports

Users: Middle managers

Four Major Types of Systems

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Major Types of Systems in Organizations

How management information systems obtain their datafrom the organizations TPS

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Major Types of Systems in Organizations

A sample report that might be produced by the MIS in Figure 2-5

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Major Types of Systems in Organizations

Decision-Support Systems (DSS)

Serve management level with data analysis for makingdecisions

Input: Low-volume data or massive databases, analyticmodels, and data analysis tools

Processing: Interactive, simulations, analysis

Output: Special reports, decision analyses, responses toqueries

Users: Professionals, staff managers

Four Major Types of Systems

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Major Types of Systems in Organizations

Voyage-estimating decision-support system

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Major Types of Systems in Organizations

Executive Support Systems (ESS)

Provide communications and computing environment that

serves the organizations strategic level

Input: External and internal aggregate data

Processing: Graphics, simulations, interactive

Output: Projections, responses to queries

Users: Senior Managers

Four Major Types of Systems

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Major Types of Systems in Organizations

Model of a typical executive support system

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Major Types of Systems in Organizations

Interrelationships among systems

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The End

ThankYou