Basic Concepts and Definitions , Foundations of the Computer Science Industry , The main properties of the information are considered, Assessment of quality and quantity , tasks and methods of processing with the use of new technologies , Theoretical issues , Communication of Information , as well as technical means of transmission and their features. The manual includes 16 laboratory works devoted to office information processing tools, working on the Internet, as well as the presentation and handling of various types of numerical data on a computer. The manual is based on the course of lectures in the given discipline, read by the author for several years at the Ryazan State Radio Technical University for students studying in the field of "Computer Science and Computer Engineering" . For full-time and part-time undergraduate and graduate students studying in the areas of 230100 "Information Science and Computer Engineering", 090100 "Information Security" . Can be useful for students of other areas and specialties, as well as users engaged in computer processing of information.