Tutorial - Omsk: SibADI Publishing House, 2004. - 167 s. Abstract: Physical processes determining the principles of construction and operation of semiconductor, electro-vacuum, gas-discharge, optoelectronic and quantum devices are considered. The main characteristics and parameters of diodes, transistors, thyristors and other devices that make up the element base of information and power electronics devices are given . List of headings:Classification of electronic devices. Electron motion in electric and magnetic fields. Electrical conductivity of semiconductors. Electron-hole transition. Semiconductor diodes. Transistors . Tiristors . Semiconductor Thermoresistors, Thermoelectric Converters and Photovoltaic Devices. Power transistors . Electrical vacuum appliances. Electro-optical devices. Quantum Electronics . Gas-discharge devices