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[OS Develop] 模拟页式虚拟存储管理中缺页中断理想型淘汰算法 DL : 0: 模拟页式虚拟存储管理中缺页中断理想型淘汰算法1．随机确定内存大小，页面数，进程的个数，每个进程的页数，给进程分配的页面数。要求计算缺页次数，缺页率，被淘汰的序列。 -mock-page virtual memory management page interruption na ideals out an algorithm. Random determine memory size, number of pages, number of processes, each process page, the process of distribution to a few pages. Call for the calculation of the number of missing pages, missing pages rate, it will be eliminated sequences.
Date : 2008-10-13 Size : 1.87kb User : fdf
[OS Develop] lift-simulator DL : 1: it s a lift simulator, use operating system concept call mutex to implenment a lift. I do it prefectly.
Date : 2008-10-13 Size : 3.43kb User : jinghe
[OS Develop] page.change DL : 0: 功能介绍： l 输入进程P总共有的页面数，l 并输入系统已经在内存中分配的页面数。当所分配的页面数大于进程P的页面数时，l 则不l 需要进行页面调度工作。 l 由进程P的页面数目，l 程序随机生成一些访问内存的页面号，l 为简化程序，l 这些页面号的数目同l 进程P的进程数目一致（这个缺陷也有待改进）。 l 由用户选择FIFO算法还是LRU算法对进程P的页面访问内存分配的页面进行分配，l 并输出具体的页面访问过程。原理介绍：请求页式管理中的置换算法：置换算法在内存中没有空闲页面时调用。它的目的是选出一个被淘汰的页面。如果内存中有足够的空闲页面存放所调入的页，则不必使用置换算法。先进先出算法FIFO：该算法总是选择在内存驻留时间最长的一页将其淘汰。其认为先调入内存的页不再被访问的可能性要比其他页大，因而选择最先调入内存的页换出。最近最久没使用页面淘汰算法LRU-functional presentations : 1 P process imported a total of some pages. l and enter the system has been allocated in memory of a few pages. When the distribution of more than a few pages of the process P pages, l l not need pages scheduling work. L P process by the number of pages, l procedures for random number generation to the memory pages, l To simplify procedures, l these pages, with the number of P l process consistent number of processes (the defect has yet to be improved). L chosen by the user FIFO or LRU algorithm algorithm to process P pages allocated to the memory pages for distribution, l and output specific pages course of the visit. Principle introduced : request for the page-style management of replacement algorithm : Replacement Algorithms in memory when no spare pages call.
Date : 2008-10-13 Size : 80.94kb User : 角斗士
[OS Develop] 28104055398 DL : 0: shell 程序要求实现的shell支持以下内部命令： 1. Batch Processing 如果shell启动带有一个文件名作为参数，打开该文件并执行文件里所有命令。待所有进程全部结束退出shell。 2. Debugging 提供-v选项，shell启动时打开此选项将在运行过程中输出若干调试信息。在该模式下，shell应该显示所有被创建了的进程的PID号，通报已结束的子进程和传递给子进程的参数等。 3. Prompt (命令行提示符) 解释器打印$PS2作为提示符。 4. Background Processing 如果命令以符合&终止，在后台并发执行该程序。Shell立即等待下一命令的输入，而不等待该程序的结束。注：所有命令和参数由空格或tab符分隔。 -shell procedures call for the support of the following internal shell commands : 1. Batch Processing If the shell startup with a file name as a parameter. Open the document and implement all the documents in order. When all the whole process from the end of the shell. 2. Debugging for-v option, shell activated this option will open in the course of operation a number of debugging output information. In the model, the shell should show all of the process of creating the PID, Bulletins have been the end of the process and the sub-transmission to the child process parameters. 3. Prompt (command line prompt) Print $ explanation for PS2 as a prompt. 4. Background Processing order to meet if
Date : 2008-10-13 Size : 14.25kb User : drufy
[OS Develop] 模拟页式虚拟存储管理中缺页中断理想型淘汰算法 DL : 0: 模拟页式虚拟存储管理中缺页中断理想型淘汰算法1．随机确定内存大小，页面数，进程的个数，每个进程的页数，给进程分配的页面数。要求计算缺页次数，缺页率，被淘汰的序列。 -mock-page virtual memory management page interruption na ideals out an algorithm. Random determine memory size, number of pages, number of processes, each process page, the process of distribution to a few pages. Call for the calculation of the number of missing pages, missing pages rate, it will be eliminated sequences.
Date : 2025-12-25 Size : 2kb User : fdf
[OS Develop] lift-simulator DL : 1: it s a lift simulator, use operating system concept call mutex to implenment a lift. I do it prefectly.-it sa lift simulator, use operating system concept call mutex to implenment a lift. I do it prefectly.
Date : 2025-12-25 Size : 3kb User : jinghe
[OS Develop] page.change DL : 0: 功能介绍： l 输入进程P总共有的页面数，l 并输入系统已经在内存中分配的页面数。当所分配的页面数大于进程P的页面数时，l 则不l 需要进行页面调度工作。 l 由进程P的页面数目，l 程序随机生成一些访问内存的页面号，l 为简化程序，l 这些页面号的数目同l 进程P的进程数目一致（这个缺陷也有待改进）。 l 由用户选择FIFO算法还是LRU算法对进程P的页面访问内存分配的页面进行分配，l 并输出具体的页面访问过程。原理介绍：请求页式管理中的置换算法：置换算法在内存中没有空闲页面时调用。它的目的是选出一个被淘汰的页面。如果内存中有足够的空闲页面存放所调入的页，则不必使用置换算法。先进先出算法FIFO：该算法总是选择在内存驻留时间最长的一页将其淘汰。其认为先调入内存的页不再被访问的可能性要比其他页大，因而选择最先调入内存的页换出。最近最久没使用页面淘汰算法LRU-functional presentations : 1 P process imported a total of some pages. l and enter the system has been allocated in memory of a few pages. When the distribution of more than a few pages of the process P pages, l l not need pages scheduling work. L P process by the number of pages, l procedures for random number generation to the memory pages, l To simplify procedures, l these pages, with the number of P l process consistent number of processes (the defect has yet to be improved). L chosen by the user FIFO or LRU algorithm algorithm to process P pages allocated to the memory pages for distribution, l and output specific pages course of the visit. Principle introduced : request for the page-style management of replacement algorithm : Replacement Algorithms in memory when no spare pages call.
Date : 2025-12-25 Size : 81kb User :
[OS Develop] 28104055398 DL : 0: shell 程序要求实现的shell支持以下内部命令： 1. Batch Processing 如果shell启动带有一个文件名作为参数，打开该文件并执行文件里所有命令。待所有进程全部结束退出shell。 2. Debugging 提供-v选项，shell启动时打开此选项将在运行过程中输出若干调试信息。在该模式下，shell应该显示所有被创建了的进程的PID号，通报已结束的子进程和传递给子进程的参数等。 3. Prompt (命令行提示符) 解释器打印$PS2作为提示符。 4. Background Processing 如果命令以符合&终止，在后台并发执行该程序。Shell立即等待下一命令的输入，而不等待该程序的结束。注：所有命令和参数由空格或tab符分隔。 -shell procedures call for the support of the following internal shell commands : 1. Batch Processing If the shell startup with a file name as a parameter. Open the document and implement all the documents in order. When all the whole process from the end of the shell. 2. Debugging for-v option, shell activated this option will open in the course of operation a number of debugging output information. In the model, the shell should show all of the process of creating the PID, Bulletins have been the end of the process and the sub-transmission to the child process parameters. 3. Prompt (command line prompt) Print $ explanation for PS2 as a prompt. 4. Background Processing order to meet if
Date : 2025-12-25 Size : 14kb User : drufy
[OS Develop] transferSystemTool DL : 0: VB编写的一个调用系统中的一些功能对话框的程序，包括显示“打开方式”对话框、打印测试页、映射网络驱动器等等，共有超过20个不同的功能.zip。内含可运行程序，有一定的实用性-VB prepared by a call system in some of the features of the dialog box procedure, including the show
Date : 2025-12-25 Size : 9kb User : 陈非
[OS Develop] order DL : 0: 这套asp订单系统方便大家在asp和htm网页中调用，并可以根据自己的意愿随意修改和扩展。程序简单易懂，在网络电子商务火爆的今天，相信你一定会用的到-This asp systems to facilitate orders for asp and htm pages in the call and can be in accordance with their wishes freely modify and expand. Simple procedure in the network popular e-commerce today, I believe you will be used to
Date : 2025-12-25 Size : 15kb User : 狮子王
[OS Develop] cipankongjian DL : 0: 模拟磁盘空间的自动规划，调用等功能的实现，希望对大家有所帮助-Simulation of automatic disk space planning, call features such as the realization, I hope all of you to help
Date : 2025-12-25 Size : 7kb User : pp
[OS Develop] cmdshell DL : 0: 可以调用程序后显示回显-Procedure can call back after the show that significant
Date : 2025-12-25 Size : 15kb User : fengliuke
[OS Develop] TMS3202407 DL : 0: 2407的ucos程序和2407的spwm的汇编实现第一次上传请多支持！-2407 uCOS procedures and the 2407 compilation of the realization of the SPWM From the first call on the support!
Date : 2025-12-25 Size : 142kb User : huangchao
[OS Develop] 01.Source DL : 0: 03.彩色显示调用、清屏调用以及ASCII 0x07蜂鸣实验-03. Color display call and Qing Ping ASCII 0x07 calls, as well as experimental buzz
Date : 2025-12-25 Size : 3kb User : 王某人
[OS Develop] 01.Source DL : 0: 不调用int13号中断，VGA显卡缓存直接操作实验-Do not call No. INT13 interrupt, VGA graphics cards to operate the cache directly Experimental
Date : 2025-12-25 Size : 2kb User : 王某人
[OS Develop] File04370052 DL : 0: 调用windows的api，对操作系统的3种文件读写模式进行模拟。-Call the windows of the api, for the operating system three kinds of documents to read and write mode simulation.
Date : 2025-12-25 Size : 73kb User : pk
[OS Develop] os_programe DL : 0: 模拟操作系统管理内存方法，当有进程申请内存时，在内存中建立一个快表，有另一个进程申请内存时，就直接从内存中调用。-Simulation of the operating system memory management method, when the application process has memory, in memory to build a fast form, there is another process memory when the application directly from memory call.
Date : 2025-12-25 Size : 1.56mb User : 肖晟
[OS Develop] shuangjitongxun DL : 0: 双机通讯，对COM口的初始化和读写数据，采用了调用BIOS中断的方法-Two-machine communication, on the COM port initialization and read-write data, used to call BIOS interrupt method
Date : 2025-12-25 Size : 1kb User : 小刀
[OS Develop] tw DL : 0: 主要靠调用API函数实现图片框的透明从而实现动画,-Mainly rely on the API function call to realize transparent picture box in order to achieve animation,
Date : 2025-12-25 Size : 64kb User : jhf
[OS Develop] depends22_x86 DL : 0: vc中查看dll的工具，可以查看dll调用函数，配合调试器使用！-vc view dll tool, you can view dll function call with the debugger to use!
Date : 2025-12-25 Size : 555kb User : 陈小鱼

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