By Hardcastle E.
This loose textbook offers an summary of industrial info structures and offers definitions for different structures utilized in businesses.
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Extra info for Business Information Systems
The following describes each of these techniques in more detail. 1. Formal security policy Perhaps the simplest and most effective control is the formulation of a comprehensive policy on security. Amongst a wide variety of items, such a policy will outline what is considered to be acceptable use of the information system, what is considered unacceptable use of the information system, the sanctions available in the event that an employee does not comply with the security policy and the details of the controls in place, including their form and function and plans for developing these further.
P. Moller - Maersk. 5 Theft As with vandalism, the loss of important hardware, software or data can have significant effects on an organisation’s effectiveness. Theft can be divided into two basic categories: physical theft and data theft. Physical theft, as the term implies, involves the theft of hardware and software. Data theft normally involves making copies of important files without causing any harm to the originals. However, if the original files are destroyed or damaged, then the value of the copied data is automatically increased.
Business needs change during the development process. This is alluded to above. A method is needed where successive iterations in the development process are possible so that the latest requirements can be incorporated. - What users get isn’t necessarily what they want. The first a user may see of a new information system is at the testing or training stage. At this point, it will be seen whether the system as delivered by the IS/IT professionals is what the user actually needs. An appropriate analogy here is the purchase of a house or car simply on the basis of discussions with an estate agent or a garage, rather than by actually visiting the house or driving the car.
Business Information Systems by Hardcastle E.