Thursday 21 March 2013

PURPOSES OF INFORMATION SYSTEMS

 


1. Transaction processing systems

Transaction processing systems is process data resulting from business transactions, update operational databases and produce business documents. A transaction processing system is a software system, or software/hardware combination, taht supports transaction processing. Examples: sales and inventory processing and accounting systems.

2. Process control systems

Process control systems is monitor and control industrial processes. Examples: petroleum refining, power generation, and steel production system. 

3. Enterprise collaboration systems

The goal of enterprise collaboration system is to enable us to work together more easily and effectively by helping us to communicate, sharing information with each other. Enterprise collaboration systems provide tools to help us collaborate-to communicate ideas, share resources, and coordinateour cooperative work efforts as member of the many formal and informal process and project teams and workgroup that make up many of today's organisations . Examples: e-mail, chat, and videoconferencing groupware systems. 

4. Management information systems

Management information system is provide information in the form of prespecified reports and displays to support, business decision making. A management information systems provides information that organizations need to manage themselves efficiently and effectively. Examples: sales analysis, production performance, and cost trend reporting systems. 

5. Decision support systems 

Provide interactive ad hoc support for the decision-making processes of managers and other business profesionals. Decision support system serve the management, operations, palnning levels, of an organization and help to make decisions, which may rapidly changing and not easy specified in advance. Examples: product pricing, profitability forecasting, and risk analysis systems. 

6. Executive information systems

Provide critical information from MIS, DSS, and other sources tailored to the information needs of executives. It provides easy access to internal and external information relevant to organization goals. It is commonly considered a specialized form of decision support system. Examples: systems for easy access to analyses of business perfomance, actions of competitiors, and economic developments to support strategic planning. 

 7. Expert systems

An expert system is aknowledge-based information system that uses its knowledge about a specific, complex application area to act as an expert consultant to end users. Expert systems provide answer to questions in a very specific problem area by making humanlike inferences about knowledgecontained in a specialized knowledge base. They must be able to explain their resioning process and conclusions to a user. Expert system can provide decision support to end users in the form of advice from an expert consultant in a specific problem area. Examples: credit application advisor, process monitor, and diagnostic maintenance systems. 

8. Knowledge management systems 

Knowledge-based systems that support the creation, organization, and dissemination of business knowledge wiyhin the enterprise. Examples: intranet access to best business pratices, sales proposal strategies, and customer proble resolution systems. 

 9. Strategic information systems

Support operations or management processes that provide a firm with strategic products, servuces, and capabilities for competitive advantage. Examples: online stock trading, shipment tracking, and e-commerce Web systems. 

 10. Functional business systems 

Support a variety of operational and managerial applications of the basic business functions of a company. Examples: information system that support applications is accounting, finance, marketing, operations management and human resource management. 

References
O'Brien textbook 
en.wikipedia.org 
books.google.co.id

No comments:

Post a Comment