Classification of information systems

To understand the meaning hidden behind the definition of "classification of information systems", it is necessary to indicate which systems are involved. Some still remember the glorious 50-ies, when various accounting calculations (mainly on wages) were carried out with the help of counting machines with an electromechanical principle of operation. Despite the fact that their performance is quite difficult to compare with modern electronic devices, nevertheless, the simplification of calculations and paper turnover was faster than with the traditional manual approach.

Not surprisingly, in the 60s, the advantages that enabled the use of such systems to optimize not only the issuance and calculation of salaries, but also in many other accompanying areas of accounting became evident. In the 70-80s such systems are being used for managerial control. In the late 80's, thanks to the emergence of high-speed electronic solutions, information systems began to be used by various organizations, regardless of the nature of the activity. In fact, these systems made it possible to reduce labor costs, and, as a result, ultimately increase profits.

Types of information systems are studied in computer science. They are one of the directions of this science. Their name is due to the objects of research - decisions that can store, post and give out information. Additionally, it is possible to search and enter new data. These decisions, as is not hard to guess, are called information systems.

The current classification of information systems includes the division into:

• Level of informatization. Currently, the most common computer AIS (automated information systems). They take part in all stages of data processing. Accordingly, it is considered that if the work with information is performed by the person himself (including auxiliary devices, for example, scores), then the work of a person with manual IP takes place;
• Method of use. The largest representatives of this type are analytical complexes. The same group includes IAS (information-analytical system), IPS (search engine), IRS (solving system). Often the boundary between types is conditional, since information systems are capable of performing a variety of functions;
• Many classifications of information systems on the architecture used are known. The simplest solution is a local information system (IS). A vivid example is working on one electronic device without the need for interaction with other IS. More complex IS, built on the principle of "client-server". With their use, all network interactions are provided by a single server. Finally, distributed IP is a multi-tiered network with multiple servers;
• Classification of information systems for structuring the range of tasks to be solved. Model ICs make it possible to establish two-way information exchange with the model under study. Due to the use of different approaches (financial, mathematical, etc. models are realized), it is possible to obtain a number of alternative solutions. A special case is expert IP;
• Sphere of use. Distinguish management IP (it means a partial duplication of the tasks of the relevant personnel); IS of technical control (automated process technology); Scientific IP (research and experiments with results processing); Training IS (provide access to electronic information); Integrated integrated circuits (combining several functions).

Classification of information systems of personal data is carried out according to the above criteria, while there is an important difference from the other IS - the need to protect the processed information. This system is a set of technical and software tools for processing personal data. It can be an automated solution.