While the terms Information System and Information Technology are sometimes used interchangeably, they are two distinct concepts. The information system is an organized combination of several entities which stores, retrieves, transforms and disseminates information in an organization like a company. These entities could be people, software, data resources, procedures, hardware or communication network. MSN messenger or AIM are softwares which allow people to communicate with other people live. For example, I am currently in New York and this kind of information system allows me to communicate with my family and my friends who live in France. Information system has been used since the dawn of the civilization, that is why we don't necessarily associate it with computers. Indeed, during the middle ages, they used birds like homing pigeons in order to send messages. It was a system of information. A simple road sign is an information system. Smoke signs are part of the information system and will be more used in bars and restaurants in Europe in order to inform people not to smoke in public places.
[...] Bugs Having an efficient information system is the best way to succeed in our business and to have a competitive advantage. However, a bug could interrupt your activity any time. For example, Auchan, one of the most important hypermarkets in France proposes to its customers the WAOUH card. To make this card, you have to go to the reception and fill in a questionnaire with your name, your surname, your birthday, your address, your hobbies and your e-mail and that for all your family. [...]
[...] Consequently, big companies have the competitive advantage because they have enough money to invest in the new technology and increase the quickness and the efficiency of the information with their customers, their retailers in other words, with the internal and external actors of the company. It is very expensive because of the labour costs and the cost of the maintenance. Indeed, if you choose to use information systems, you have to hire informatics' engineers in order to be reactive. As I said previously, anything that is in short supply is expensive. [...]
[...] On the one hand, we will see the major areas of information systems needed by business professionals, the fundamental roles of Information system in Business and the types of information system and on the other hand, we will see why an information system or an information technology projects could fail in an organization. The major areas of information systems needed by business professionals It is crucial to define quickly the major areas of information systems. These frameworks are: The foundation concept is a concept about the component and roles of IS. [...]
[...] For instance, decisions on what lines of merchandise need to be added or discontinued, or on what kind of investment they require, are typically made after an analysis provided by computer based information systems. This not only supports the decision making of store managers, buyers, and others, but also helps them look for ways to gain an advantage over other retailers in the competition for customers. Support of its strategies for competitive advantage: Gaining a strategic advantage over competitors requires innovative application of IT. [...]
[...] Indeed, after having defined the both entities, we have sawn the main problems which could interact the achievement of these kinds of projects. Indeed, money is one of the main problems and creates inequality between the several organizations. All the companies couldn't be also reactive than others. Time is also a crucial aspect because of the growth of the Information Technology. Bugs in an information system could be disastrous for a company and the results will always be a loss of money and time. Finally, [...]
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