EXECUTIVE SUPPORT / EXECUTIVE INFORMATION SYSTEM (ESS / EIS) These are computer-based information systems which give executive easy access to both internal and external data. The executive information system is designed in such a way that it assists an executive manager to make strategic decisions. These systems provide information in the form of tables and […]
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EXPERT SYSTEM Also known as Knowledge Management System (KMS); works on the principle of Artificial intelligence. The expert system is designed in such a way that it takes and store the knowledge of a human expert on a particular subject and use that knowledge to assist people with lower expertise to make decisions. Expert system
DECISION SUPPORT SYSTEM (DSS) This is a computer-based information system that helps in supporting decision making on issues that are semi-structured and unstructured. They are specifically designed to help management make decisions in situations where there is uncertainty about the possible outcomes of those decisions. DSS comprises of tools and techniques to help gather relevant
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TYPES OF INFORMATION SYSTEM TRANSACTION PROCESSING SYSTEM (TPS) This is a system which collects and stores data about transaction occurring within an organization on a day to day basis. As the name implies, Transaction Processing Systems (“TPS”) are designed to process routine transactions efficiently and accurately. A business will have several (sometime many) TPS. A
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COMPONENTS OF INFORMATION SYSTEMS The main components of information systems are computer hardware and software, telecommunications, databases and data warehouses, human resources, and procedures. The hardware, software, and telecommunications constitute information technology (IT), which is now ingrained in the operations and management of organizations. An Information system is a combination of hardware and software and
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OVERVIEW OF INFORMATION SYSTEM Information system, an integrated set of components for collecting, storing, and processing data and for providing information, knowledge, and digital products. Business firms and other organizations rely on information systems to carry out and manage their operations, interact with their customers and suppliers, and compete in the marketplace. An information system
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