


全文预览已结束
下载本文档
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
大题: 银行家算法 pv操作 进程调度 页式管理判断题:1、 Efficiency and functionality are key to an operating systems usefulness right(p1)2、 Multiprogramming can improve every single processs performance false(p14)the overall system3、 The device-dependent parts is called device drivers right(p91)4、 In DMA(通道访问方式) I/O, the data flows directly between the primary memory and the device controller. Right(p158)5、 A process in the running state is using the processer right(p47)6、 A scheduler that uses involuntary CPU sharing is called a preemptive scheduler right(p258) voluntary nonpreemptive7、 A counting semaphore can take on only the values 0 and 1 false (p312 values 0 to n)8、 Some synchronization problems that can be solved with semaphores right (p344) can be solved with monitors 9、 Fixed-partition memory strategies will incur internal fragment( 固定分区产生内部碎片) (p405) right 填空题1、Two kinds of sharing are used to create the time sharing and space sharing .(p12)2、A computation is a combination of a process at least one thread and a collection of resources.(p52)3、OS functions are device management, process management, file management, memory management .(p90)4、The OS distinguishes devices as being either(block)oriented devices or(character) oriented devices5、The basic process /thread diagram has three states: running、 ready、, blocked。(p220)6、P(s):While(s=0)Wait s=s-1;(p308)7、A condition variable may have its values manipulated by three operations: Wait, Signal and Queue(p347)8、Mutual exclusion(互斥使用) , hold and wait(占有等待) ,circular waiting(循环等待),no preemption(没有剥夺).are necessary conditions for a deadlock to exist.(死锁四个必要条件)(p378)(解除死锁) prevention,avoidance,detection and recovery,manual deadlock management9、Modern memory manager strategies are swapping and virtual memory (p441)10、In virtual memory implementation we can use paging and segmentation.(p465)选择题2、Which of the following is block-oriented device? (B)A printer B disk C communication device3、Intrusions that can not be executed in supervisor made is _ instructions (C)A supervisor B system C user4、In disk accessing, the_ time is the major time (A)A seek time B rotate time C data transfer time5、W(pi,j)represents the _time (C)(p262)A turnaround B service C waits6、Which of the following scheduling algorithms is preemptive strategies? (B)A SJN B RR C FCFS7、The bankers algorithm is a deadlock_ strategy (B)(p378)A prevention B avoidance C detection and recovery8、Suppose the page size is 4KB,the page number and the offset are_ in the logical address 0x3F21(The values is answers are decimal number) (A)A 3, 3873 B 5, 1825 C 15,8049、Suppose a paging system has 224 virtual addresses and page size is 212,then the maximum of page number in a process is _ (C)A 1023 B 2047 C 4095算法实现题(各小题任选一个)1、 FCFS、SSTF、Scan/Look2、 Producer-consumer、Reader-writer(p312-p314)3、 BF、WF、FF(p435)分析计算题1、 FCFS、SJF2、 Using bank
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 餐厅连锁品牌授权与区域经营合同
- 个人借款信息咨询服务与合同
- 教育机构场地租赁合同终止及学生安置保障协议
- 老妖精消防课件内容概览
- 美洲说课课件
- 美术生职业规划
- 美术欣赏中国结小班课件
- 防汛事故应急预案
- 安全生产事故案例分析及事故教训
- 水下作业安全操作规程
- 生物的分子进化和分子遗传学
- 北京小型实验室建设计划书
- 高校大型仪器设备利用评价研究-以华南农业大学为例的中期报告
- 钢结构桥梁的设计与建造:钢结构桥梁的设计与施工要点与技术
- 中医四大经典备考刷题库汇总(800题)
- 外科护理学课程说课课件
- 《抗凝药物与麻醉》课件
- 事业单位档案个人自传范文三篇
- 幼儿园小班体育《小兔子采蘑菇》课件
- 生产现场变化点管理行动指南
- 初三励志主题班会:初三第一次班会幻灯片PPT
评论
0/150
提交评论