Are you an academic master or a professional master of computer science? The number of people taking the master's degree is one, and most of them are two. It depends on the enrollment professional catalogue of the school you apply for. Li Yongle's books are very good.

In addition, Ren Rufen's political sequence 1 and sequence 4 are recommended, as well as the key points of 100 knowledge points used by famous teachers who have explained the real questions in detail over the years and computer specialized courses.