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Case Study: an Information System Management Model
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This article presents the purchase management information system, finance
management information system and security information system, their
interdependence and tight correlation. Furthermore, we state the goals of the purchase
management information system that must be achieved in any organisation, as the
purchase (sub)process is carried out in every organisation. P-K matrix gives a detailed
presentation of a public organisation, and data classes and sub-processes within the
observed organisation. Other companies involved in similar activities can perform their
processes in accordance with the presented business technology matrix. The business
technology matrix was used for designing a data flow process diagram comprising
data flow, warehouses, processes and the external entity which can also be used in
such companies. The article also deals with the duration of the sub-processes. The
duration of sub-processes must be reduced as much as possible in order to achieve
the planned result at the process output point. A hypothesis was set in the article, for
the period from the beginning of 2009 until the end of 2010. We observed whether the
total cost-effectives coefficient in the company would fall under the threshold value of
1. The article has proven that, based on the sample (profit-and-loss account), there is
no reason to discard the H0 hypothesis, as the company’s total cost-effectiveness
coefficient did not fall below the permitted value of 1 for two years. The third section of
the article presents the possible threat to organisations’ information systems, and
describes methods of protecting electronic information in processes, and recovering
electronic databases in finance management information systems.
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Case Study: an Information System Management Model
Management
English
Management Information Systems,
2012
1-12
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