Summary: The Four Types Of Information Systems

Introduction

Information systems are an integrated set of components that consist of people and computers that work together to bring together, store and process data for delivering information. Most businesses rely on information systems to run their day to day operations. According to Stair and Reynolds (2013, p. 16) people are the most significant part of an information system. This is because they determine the difference between the success and failure of an entity that uses of an information system. There are essentially four types of information systems; executive information system, decision support systems, management information systems and transaction processing systems. Most organizations combine all these information systems to aid in decision making. The top management uses the executive information system, the senior manager’s use the decision support system, the management information system is used mostly

This type of system is defined by Oz (2008, p. 18) as a series of activities concerned in selling of a product or service. Palmer and Harvey deal with wholesaling services hence the reason why they have this information system in place. It helps them to manage the supply of the over 14000 products of their clients. It’s usually important for the middle level managers’ decision making because of the following reasons. Nowduri (2011, p. 5) suggests some reasons to be: the system gives managers’ fast access to information hence ensuring that they make decisions that fit into the company’s strategy. In addition, this type of system also aids in record keeping, this comes in handy for the top management when they want to decisions since they have to look at past records. Moreover, the system allows numerous users to access the similar content at the same time. This enhances accountability of the company which is significant key to decision