Types of Information Sysytems

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Types of Information Sysytems by Mind Map: Types of Information Sysytems

1. Expert System

1.1. A computer system designed to analyze data and produce a recommendation, diagnosis, or decision based on a set of facts and rules. The facts and rules for an expert system are usually derived by interviewing one or more experts and then incorporated into a knowledge base.

2. Enterprise Information System

2.1. It supports a variety of business activities such as inventory management, point-of-sale cash registers, e-commerce, payroll, and managerial planning.

3. Management Information System

3.1. Is a type of information system that uses data collected by a transactional processing system and manipulates the data to create reports that managers can use to make routine business decisions in response to structured problems.

4. Transaction Processing System

4.1. This provides a way to collect, process, store, display, modify, or cancel transactions. It also allows multiple transactions to be entered simultaneously. They are stored in databases and can be used to create a schedualed set of reports like monthly bills, weekly paychecks, etc.

5. Decision Support System

5.1. This system helps people make decisions by directly manipulating data, analyzing data from external sources, generating statistical projections, and creating data models of various scenarios. It also provides tools for routine decisions, non-routine sessions, structured problems, and semi-structured problems in which a decision might be based on imprecise data or require guesstimates.