背单词,占用内存小,便捷,很容易上手,用户只需要先添加单词,然后进入背诵单词-Back word memory small, convenient and very easy to use, users just have to add the word, and then enter the word recitation
帮助了解磁盘的物理组织,以及如何通过用户态的程序直接读写磁盘上的信息-Help understand the physical disk, as well as how the state through the user directly to read and write disk information