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Types of Information Systems by Mind Map: Types of Information Systems
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Types of Information Systems

Transaction Processing Systems

What is a transation?

A Transaction Processing System provides ways to collect process, store, display, modify or cancel transactions.

Data collected by a transaction processing system is stored in a database and can be used to produce a regularly scheduled set of reports.

Most modern transaction processing systems use online processing which is a real time method in which each transaction is processed while its entered. This system is known as an online transaction processing system.

A typical transaction processing system generates detail reports, which provide a basic record of completed transactions.

Management Information Systems

A Management Information System is a type of information system that uses data collected by a transaction processing system. It then manipulates the data to create reports that managers can use to make routine business decisions in response to structured problems.

A major goal of a management information system is o increase efficiency of managerial activity. A management information system can produce scheduled reports or ad hoc reports.

A traditional management information system is based on the data collected by a transaction processing system.

A management information system usually cannot create models or projections.

Decision Support Systems

A decision support system is used to help people make decisions by directly manipulating data, analyzing data from external sources, generating statistical projections, and creating data from various scenarios.

A special type of decision support system known as a executive information system, is designed to provide senior managers with information relevant to strategic management activities.

Decision makers use the system to design decision models and make queries.

A decision support system helps people manipulate the data needed to make a decision but does not actually make a decision. A person must analyze the data and research a decision.

Expert Systems

An Expert System is a computer system designed to analyze data and produce a recommendation, diagnosis, or decision based on a set of facts and rules.

Each expert system is designed to make decisions in a particular area or domain. Some expert systems have been developed to locate mineral deposits, diagnosis blood diseases, order a customized PC, and recommend stock purchases.

Expert systems are designed to deal with data that is imprecise. By using a technique called fuzzy logic, an expert system can deal with imprecise data by asking for a level of confidence.

How does an expert system work?

Neutral Networks

A Neutral Network uses computer circuitry to stimulate the way a brain might process information, learn, and remember.

Neutral networks have been successfully implemented in many business and financial applications where identification and trend analysis are important.