Training Manual . — Kyiv: NTUU KPI, 2004. — 227 s. This tutorial is intended for independent training of students in the courses of Solid State Physics, as well as Materials and Components of Electronic Engineering. The manual discusses the basics of modern ideas about the physics of magnetism in the aspect of applications of magnetic properties of materials in modern microelectronics and nanoelectronics . Various physical mechanisms of diamagnetism, paramagnetism, ferromagnetism, antiferromagnetism and ferrimagnetism are considered. The main magnetic properties of metals, semiconductors and dielectrics are described . Special attention is paid to magnetism in nano-structural materials due to their modern and promising applications. In a simplified presentation, various aspects of the quantum-mechanical approach to the description of the magnetic properties of crystals and nanomaterials are considered .. Tutorial is designed for students studying in the direction 0908 Electronics . Can also be used in the preparation of masters and graduate students specializing in electronic materials science.