This presentation focuses on analyzing assembly language programming for various microprocessor architectures. It is based on the materials included in the field of system programming. The relevance of the book is manifested in the context of developing projects using the Assembler platform. To achieve the objectives, relevant literature covering both computer microcontrollers and low-level programming languages was analyzed. This research work is intended for an audience including undergraduate students and professional programmers, as well as anyone interested in learning the Assembler language. The author has ensured that the material is detailed and clearly explained at a practical level for effective absorption by the reader.