Informatics 2015. Study Guide

The book corresponds to a typical program on computer science for higher educational institutions. A distinctive feature of the publication is the presentation of the basic principles, ideas, the historical aspect of the issued issues, reviews on software products and hardware, interpretation of terms. This approach allows to preserve the relevance of the material studied for several years.
In the book in a compact form, the basic concepts of informatics are given, the arithmetic and logical foundations of the work of the computer, the principle of operation of the most important devices of the computer are considered. An idea of ​​local and global networks is given, data is described in computer, information compression methods, noise-resistant coding. The concept of viruses and antivirus programs is given. The basic concepts of cryptography, steganography are considered. A noticeable emphasis in the book is made on the summary of the issues of the sewn of information