This book is written according to the Ministry of Education's "Guiding Scheme for Training Skilled Talents of computer applications and software Technical Specialty in Secondary Vocational Schools" and the teaching syllabus, and the new "working process-oriented" teaching mode. In order to facilitate teachers to arrange classes, prepare lessons, attend classes and students to preview, practice and review, this book breaks down the teaching content into each class hour, and implements teaching through four links: classroom tasks, classroom exercises, knowledge expansion and homework after class.

This book has 6 chapters and 30 lessons.

Each class is two standard hours, 90 minutes. It is suggested that the class hour be one semester, 4 hours per week, or divided into two semesters.

The contents of this book include basic computer knowledge, host assembly and connection, operating system installation, system performance improvement, networking and network connection, system security, computer maintenance and repair, etc.

This book can be used as a teaching material for computer assembly and maintenance courses in secondary vocational schools, and also as a training material for all kinds of skilled talents in short supply. In order to facilitate teaching, you can download the electronic teaching plan and question bank for teachers of this book from the website.