Reference Books: Computer Operating System (Revised Edition) xidian university Publishing House Tang Ziying, Zhe and Tang.
The Concept of Operating System (translated) by Peter Bell galvin, Higher Education Press.
Data Structure (C language version) Tsinghua University Publishing House, Yan Weimin and Wu Weimin.
Data structure (described in C language) Tang Ce-shan, Higher Education Press
"Discrete Mathematics" or "Discrete Mathematics Concept Solution and Self-test" beijing institute of technology press Zhu Baoping
Fundamentals of computer specialty
Principles of Computer Organization Zhang Guyi and Zou Xiaofeng of Tsinghua University Publishing House