Information systems in business

Information Systems in Business

Contents Introduction 2 Hierarchy of System Types 3 Strategic Level Management 3 Executive Support Systems (ESS) 5 Tactical Level Management 5 Management Information Systems (MIS) 6 Decision Support Systems (DSS) 6 Knowledge Work Systems (KWS) 7 Office Automation Systems (OAS) 8 Operational Level Management 8 Transaction Processing Systems (TPS) 9 Conclusion 10 Bibliography 12

Introduction

Nowadays the world is living in the information age, requiring organizations an efficient management strategy, which may be facilitated by the use of intelligence resources offered by information technology and information systems.
The information technology offers technological and computational resources for generation of information and information system are increasingly sophisticated, proposing changes in processes, structure and business strategy.
The increasing development and evolution of organizations is the result of the evolution of knowledge and information.
The need of the Information System (IS) in enterprises has emerged due to the large and increasing volume of information that the organization owns. With the information system structured presentation of information necessary and already providing an overview of the decisions, the company guarantees a great advantage over competitors, and managers can make decisions faster and reliable sources.
The market demand, competitive, dynamic and globalized primarily motivates firms operating with an efficient information system, ensuring higher levels of productivity and efficiency. ‘...the goal of using information systems is to create a business environment in which the information is reliable and can flow in the organizational structure.’ (Baptista 2004, p. 39).
Hierarchy of System Types

Due to the existence of different interests, specialties and levels in an organization, you need different types of systems, because no individual system