第18题: [单项选择]某个操作系统对内存的管理采用页式存储管理方法,所划分的页面大小( )。 A. 要根据内存大小而定 B. 必须相同 C. 要根据CPU的地址结构 D. 要依据外存和内存的大小而定 参考答案:B 答案解析:页式管理中很重要的一个问题便是页面大小如何确定。确定页面大小有很多因素,如进程的平均大小、页表占用的长度等。而一旦确定,所有的页面是等长的,这样易于系统管理。
第33题: [单项选择]Passage Three Questions 32 to 35 are based on the passage you have just heard.A. He has decided to continue his studies. B. He has still to take a part time job. C. He has decided to give up his job. D. He has still to make a decision. 参考答案:D 答案解析:[解析] What is Joe going to do