the article examines the structural model of building information system and general laws of its functioning. The model is defined as a tuple models Fит = < F, Fxy, Fyw > whose elements form the steps performed sequentially IT(F-model of formation of multiple requests, Fxy-convert the input object in the model output, Fyw is a model of multiple output documents)

This paper examines the process of simulation operations on wood in order to justify the use of logging equipment in specific natural and production conditions

A basis of the choice of the programming language happen to in article for efficient development and debug of applications IS TPPLR not only to account of the use the suitable facilities of the visual designing the forms (presently this not rarity), but also to account, first, high efficiency compiler Borland themselves and, secondly, so named increment to compiling and linkings of the performed module (when recompilation and recomposition are subjected to only that modules, in which were contributed change).

In article the question of creation of structural model of information system and the general laws of its functioning is considered. The model is determined in the form of a train of the models Fит = < F, Fxy, Fyw> which elements consistently form stages of performance of IT (F– model of formation of a set of inquiries, Fxy – model of transformation of entrance object in day off, Fyw – model of a set of output documents)