In a fun way, the book introduces readers to the basic concepts of computer science. Acquaintance begins with the basic concepts necessary for playing and working with a PC: keyboard, cursor, byte, error correction, etc. The game presentation then describes the basic operators of the BASIC language, after which concepts about the algorithm, symbolic information, random numbers and their use in game programs are introduced. At the end of the book, various tasks are offered, the complexity of which gradually increases. For schoolchildren in grades 4-6 and computer science teachers