Introduction to Software Engineering Is a Basic text book About the fundamentals of Software engineering that helps students understand the systematic approach to the design, development, working, and maintenance of a software application. Software Engineering is a systematic, disciplined, quantifiable study and approach to the design, development, operation, and maintenance of a software system.. Machines are made simpler and smaller with the help of software engineering. All became technology-friendly and happy to be part of the modern world due to software. In fact, we can say that the world became modern due to software engineering and technological expertise. There is a great future for any software engineer.