Information Systems Essay Example for Free

Information Systems Essay An information system (IS) collects, processes, stores, analyzes, and disseminates information for a specific purpose. Like any other system, an information system includes inputs (data, instructions) and outputs (reports, calculations). It processes the inputs by using technology such as PCs and produces outputs that are sent to users or to other systems via electronic networks and a feedback mechanism that controls the operation. Information systems generally are classified into five categories: office information systems, transaction processing systems, management information systems, decision support systems, and expert systems. McD Information system There are many types of information systems used in McDonalds such as : Transaction Processing System (TPS) First transaction happens when two people make an exchange, and collecting data about it called transaction processing, so transaction processing is collecting, storing, modifying, and retrieving the transactions of an organization. Transaction system is important to answer routine questions, and it helps to conduct business such as payroll, employee record keeping or paying an employee. Its important to store the data of the transaction save and protected because transaction generally involves an exchange of money which is critical to any organization. How Transaction Processing System is implementing in McDonalds? McDonalds everyday sells a huge amount of hamburgers ,so McDonalds should order raw material from its supplier , each time McDonalds place an order with its supplier , a transaction happens , and the transaction processing system records the relevant information such as supplier ‘name , address , the quality of the items purchased and finally the invoice amount. Decision support system (DSS) Decision support system is used to model data and make quality decision based on the data , making the right decision is usually based on the quality of the data and ones ability to analyze the data , Decision Support Systems are usually computer applications with a human component. They can sift through large amounts of data and pick between the many choices and supports the non – routine decision. How decision support system implemented in McDonalds? At first McDonalds began as a small restaurant, selling foods to customers , the business expanded slowly ,then McDonalds analyze the market well to come with opportunity, as we know we live in the time of technology , so McDonalds thought of providing wireless services , so the company gather information about the customer usage of wireless services , length of stay and sales level , then the decision support system analyze the data to come up with the decision of providing wireless service in their restaurant. Management Information Systems (MIS) Management information system is a system that provides information needed to manage organizations effectively. Management information systems involve three primary resources: technology, information, and people, and the most important resource is people, the information that we get supports the routine decision making in the functional areas How Management Information System is implemented in McDonalds? In McDonalds they implement MIS system which is used to produce periodic reports such as a daily list of employees and the hours they work, or a monthly report of expenses as compared to a budget. McDonalds used MIS because the purpose of MIS is to provide profitability and information to help managers and staff understand the business performance and plan its future direction.