1 - The first known correct software solution to the critical-section problem for two processes was ...
. 请指出内部碎片与外部碎片的区别。 内部碎片是已经分配给进程的 比进程所需内存多出的部分,存在于分区内部,但是不能使用 外部碎片是没有被分配出去的小的内存片段,却因不连续,而无法联合起来组成更大的内存片段分配给某个进程的部分。 . 给定 个内存分区: KB KB KB KB KB和 KB 按顺序 ,分别采用首次适应 最优适应 最差适应算法,如何放置大小分别为 KB KB KB KB和 KB 按 ...
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1 - The first known correct software solution to the critical-section problem for two processes was ...
1. Suppose that a disk drive has 5,000 cylinders, numbered 0 to 4,999. The drive is currently servin ...
1 - Consider the traffic deadlock depicted in the following Figure. a. Show that the four necessary ...
1 - Provide two programming examples in which multithreading does not provide better performance than a single-threaded solution. 一种是以串行操作为主的程序,例如对 ...
1 - Discuss how the following pairs of scheduling criteria conflict in certain settings. a. CPU util ...
1. Assume we have a demand-paged memory. The page table is held in registers. It takes 8 millisecond ...
背景知识 背景:内存是现代计算机运行的核心。内存由一个很大的字节数组来组成,每个字节都有各自的地址。CPU根据程序计数器的值从内存中提取指令,这些指令可能引起对特定内存地址的额外加载与存储 ...
一、引入 1.构建大、中、小企业网络的主要设备是路由器和交换机 2.控制路由器和交换机工作的核心软件是网络设备的操作系统 二、路由器与交换机的作用与特点 1.路由器的作用 连接具有不同介质的链路 连接网络或者子网,隔离广播 对数据报文执行寻路和转发 交接和维护路由信息 ...