An information system can be defined as a set of a coordinated network of components. which act together towards producing, distributing and or processing information. An important characteristic of computer-based information systems information is precision, which may not apply to other types. So, the purpose of an information system is to turn raw data into useful information that can be used for decision making in an organization.
Following lines can be shown as the relationship between IS and an organization:
(1) The way information is managed and used is very much a product of the culture and management style of the organization;
(2) Changes in organizational structures and methods of using human resources, together with the virtually universal implementation of information technology, could have a significant effect on the way information is perceived and used by organizations;
(3) Current management thinking puts information and cross-functional access to information at the core of business operations;
(4) An ‘adaptive’ corporate culture encourages employees to work at their highest achievement level and is able to absorb change. This kind of culture, which is thought necessary for long-term growth, has characteristics in common with an information culture.