Computer-assisted instruction is an educational methodology and research domain focused on the systematic use of computer systems and software to support and enhance the teaching and learning process. This field investigates the design, development, delivery, and evaluation of digital instructional content, interactive exercises, simulations, and assessment tools, often characterized by features such as individualized learning paths, immediate feedback, and adaptive content. Its significance lies in its potential to personalize learning experiences, improve instructional efficiency, and expand access to educational resources.