Introduction

Information technology is developing rapidly. In the conditions of tough competition in the market and growing user demands, the creation of information systems has become a very difficult task. The systems have become so large that the physical and mental capabilities and abilities of a person are simply not enough to design a complex system in one step, and even to simply imagine, imagine all the capabilities and needs of the designed system, its architecture and software. . However, it is noticed that visual information is perceived most successfully and fully. Visual modeling came to the aid of the designer of complex systems.

The proposed tutorial is devoted to the consideration of the basic techniques of visual modeling of systems using UML and is intended for students of the specialty Applied Informatics and others for classroom and self-study classes in the subjects of “Designing Information Systems” and “Project Practicum”. The manual describes the main elements of the UML diagram notation, a concrete example examines the process of designing information systems using the StarUML software platform, some techniques and methods for creating system models: searching for classes, their attributes and operations, searching for system objects, and others. Steps for creating a visual model accompanied by illustrated instructions.