This application is an educational one and it is meant to be used as a reference material for students and teachers. You will learn about the components of a computer, their functions, and the ways in which they are connected. This is the most important part of the entire system and it is essential for the proper operation of the computer. If you are a student or a teacher, this app will be a great help to you and you can use it as a learning tool. It is an offline app so you can use it anywhere and anytime.