Electronic engineering is a field of study and practice concerned with the design, development, and application of electronic circuits, devices, and systems. It investigates the fundamental principles governing the behavior of electrons in various materials and structures, particularly semiconductors, and their manipulation for processing information, controlling energy flows, and facilitating communication. This discipline is characterized by its theoretical foundation in physics and mathematics, its close integration with computer science, and its practical focus on creating functional electronic hardware, integrated circuits, and complex systems that form the basis of modern technological infrastructure across diverse domains.