The book “Introduction to Microprocessors” serves as a complete text for all undergraduate courses in the discipline of Electrical & Electronics Engineering, Computer Science Engineering and postgraduate students specializing in Instrumentation & Control and VLSI Technology. It will also serve as reference material for engineers employed in the industry. Text provides a steady and practical understanding of Microprocessor. The fundamental concepts and principles of Microprocessors have explained in a simple and easy- to- understand manner.