AbstractThe first part of this paper presents the definition, the essence and the characteristics of IT system. Computer features, which may include perfect IT system, have also been listed. The second part of this paper is devoted to IT systems which assist the management. Here the author mainly presents the aspects related to the reasons for which management IT systems are applied in the enterprises. Software architecture description which assists the management has also been introduced. The author presents functionality of the integrated management IT system and its characteristic features. The last part of this paper deals with the level of current use of information and communication technology in Polish enterprises.
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