“An arrangement of people, data, processes and information technology that interact to collect, process, store and provide as output, the information needed to support an organisation.” —Information System
Information system in organizations capture and manage data to produce useful information that supports an organization and its employees, customers, suppliers and partners. Many organizations consider information system to be essential to their ability to complete or gain competitive advantage. Therefore, information system development is relevant.
Transaction Processing Systems (TPS) process business transactions such as orders, time cards, payments and reservations.
Management Information System (MIS) use the transaction data to produce information needed by managers to run the business.
Decision Support System (DSS) help various decision makers to identify and choose different options or decisions.
Executive Information System (EIS) are tailored to the unique information needs of the executives who plan for the business and assess performance against those plans.
Expert System (ES) capture and reproduce the knowledge of an expert problem solver or decision maker and then simulate the ‘thinking’ of that expert.
Office Automation Systems (OAS) helps employees to create and share documents that support day-to-day office activities.