This book, Modeling and Simulation Techniques in Information Technology, is the result of collaborative efforts by scholars and practitioners who share a deep commitment to advancing this essential field. Designed as both an academic resource and a practical guide, this book delves into the conceptual foundations, computational methods, and application domains of modeling and simulation. Covering topics from system modeling, discrete and continuous simulation, to machine learning-based approaches, this volume equips readers with the knowledge and tools necessary to tackle real-world technological challenges in a data-driven and dynamic environment.