某进程有5个页面,页号为0~4,页面变换表如下所示。表中状态位等于0和1分别表示页面

题型:单项选择题

问题:

某进程有5个页面,页号为0~4,页面变换表如下所示。表中状态位等于0和1分别表示页面不在内存或在内存。若系统给该进程分配了3个存储块,当访问的页面3不在内存时,应该淘汰表中页号为__(1)__的页面。假定页面大小为4KB,逻辑地址为十六进制2C25H,该地址经过变换后,其物理地址应为十六进制__(2)__。

空白(1)处应选择()

A.0 

B.1 

C.2 

D.4

考点:计算机软件水平考试中级软件设计师计算机水平考试中级软件设计师2010年上半年上午真题
题型:单项选择题

根据所给汉语提示或首字母填写词的适当形式,完成下列句子

(共15小题;每空1分,满分15分)

1. The boss needed many employees, so he decided to h      some.

2. The farmer had only twenty   (牛) left after the serious snowstorm on the farm.

3. The editor said that the book would be improved by     (插入) another chapter.

4. From 1842 to 1940 Angel Island was a famous immigration station where many

Chinese people a        for right to live in USA.

5. I’m sorry to b     you, but can you show me the way to the railway station?

6. Cloning is a way of making an e     copy of another animal or plant.

7.When we describe something very light, we say "as light as a        (羽毛)". 

8. His opinion d       entirely from mine, so I had to change mine.

9. In case of fire, please d     119.

10. The doctor felt the child’s f     and found the fever was gone.

11. He kept         ( 轻敲) his fingers on the table.

12. P      experience is better than theoretical knowledge

13. He works in a small firm and lives on his wages(工资). How can he makea?

14. Could you lend me 20 yuan? I left my w      at home.

15. The police worked out a plan to catch        (小偷) in the whole city.

题型:单项选择题

_________ the one-child policy, now most families have only one child.

A. Because      B. Because of       C. Thanks for

题型:单项选择题

外埠挂号印刷品一件,重1832克,应收费()元。

A.10.9

B.7

C.7.9

D.10.2

题型:单项选择题

快速舒张期在血流动力学上的意义()

A.血液快速从左心室射到主动脉

B.血液在主动脉反弹回流到左心室

C.血液在这期间快速、大量从左心房充盈到左心室

D.血液从右心房缓慢充盈到右心室

E.血液从左心房缓慢地充盈到左心室

题型:单项选择题

大工业用户电费由()组成。

A.电度电费(含代征基金附加费用)

B.基本电费

C.功率因数调整电费

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