The paper aims to study the different types of information used in decision making. We also analyzed the levels of aggregation, management and softwares that process these types of information. The study started from the fact that data underlying the decision are increasingly complex, and the...

The paper aims to study the different types of information used in decision making. We also analyzed the levels of aggregation, management and softwares that process these types of information. The study started from the fact that data underlying the decision are increasingly complex, and the...

In the context of the generalization process of computerization in all areas of economic and social necessity author presents the design of information systems at risk as small operation. This paper defines the concept of reliability of systems, its basic components and create a model for...