The textbook is intended to help students in performing laboratory and independent work studying the discipline "Information Technology", studying in direction 35. 03. 06 - "Agroengineering" profile "Electrical equipment and electrical technologies of agriculture", full-time and part-time education . The methodological manual was approved at the meeting of the Department of "Mathematics and Informatics" from "4" October 2019 . Protocol No. 2 . The methodological manual was approved by the Methodological Commission of the Mechanics and Technology Institute of the Northern Urals State University . From "29" November 2019. Protocol No. 3 .