王道操作系统课件 2024 47.33MB

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资源文件列表:

OS23课件全.zip 大约有164个文件

1.1_1_操作系统的概念、功能.pdf 2.32MB
__MACOSX/._1.1_1_操作系统的概念、功能.pdf 352B
1.1_2_操作系统的特征.pdf 678.67KB
__MACOSX/._1.1_2_操作系统的特征.pdf 352B
1.2_操作系统的发展与分类.pdf 660.26KB
__MACOSX/._1.2_操作系统的发展与分类.pdf 352B
1.3_1_操作系统的运行机制.pdf 934.86KB
__MACOSX/._1.3_1_操作系统的运行机制.pdf 1.16KB
1.3_2_中断和异常.pdf 593.09KB
__MACOSX/._1.3_2_中断和异常.pdf 1.07KB
1.3_3_系统调用.pdf 639.26KB
__MACOSX/._1.3_3_系统调用.pdf 352B
1.4_1_操作系统体系结构（上）.pdf 462.44KB
__MACOSX/._1.4_1_操作系统体系结构（上）.pdf 352B
1.4_2_操作系统体系结构（下）.pdf 1.89MB
__MACOSX/._1.4_2_操作系统体系结构（下）.pdf 352B
1.5_操作系统引导.pdf 1.5MB
__MACOSX/._1.5_操作系统引导.pdf 352B
1.6_虚拟机.pdf 1.98MB
__MACOSX/._1.6_虚拟机.pdf 1.06KB
2.1_1_进程的概念、组成、特征.pdf 1.11MB
__MACOSX/._2.1_1_进程的概念、组成、特征.pdf 352B
2.1_2_进程的状态与转换、进程的组织.pdf 668.61KB
__MACOSX/._2.1_2_进程的状态与转换、进程的组织.pdf 352B
2.1_3_进程控制.pdf 887.21KB
__MACOSX/._2.1_3_进程控制.pdf 352B
2.1_4_进程通信.pdf 1.42MB
__MACOSX/._2.1_4_进程通信.pdf 352B
2.1_5_线程的概念与特点.pdf 707.64KB
__MACOSX/._2.1_5_线程的概念与特点.pdf 352B
2.1_6_线程的实现方式和多线程模型.pdf 569.44KB
__MACOSX/._2.1_6_线程的实现方式和多线程模型.pdf 352B
2.1_7_线程的状态与转换.pdf 261.46KB
__MACOSX/._2.1_7_线程的状态与转换.pdf 352B
2.2_1_调度的概念、层次.pdf 619.14KB
__MACOSX/._2.2_1_调度的概念、层次.pdf 352B
2.2_2_进程调度的时机、切换与过程、方式.pdf 583.66KB
__MACOSX/._2.2_2_进程调度的时机、切换与过程、方式.pdf 352B
2.2_3_调度器和闲逛进程.pdf 275.78KB
__MACOSX/._2.2_3_调度器和闲逛进程.pdf 352B
2.2_4_调度算法的评价指标.pdf 629.23KB
__MACOSX/._2.2_4_调度算法的评价指标.pdf 352B
2.2_5_调度算法_先来先服务、最短作业优先、最高响应比优先.pdf 457.85KB
__MACOSX/._2.2_5_调度算法_先来先服务、最短作业优先、最高响应比优先.pdf 352B
2.2_6_调度算法_时间片轮转、优先级、多级反馈队列.pdf 466.09KB
__MACOSX/._2.2_6_调度算法_时间片轮转、优先级、多级反馈队列.pdf 352B
2.2_7_调度算法_多级队列调度算法.pdf 180.34KB
__MACOSX/._2.2_7_调度算法_多级队列调度算法.pdf 352B
2.3_1_什么是进程同步、进程互斥.pdf 498.04KB
__MACOSX/._2.3_1_什么是进程同步、进程互斥.pdf 249B
2.3_2_进程互斥的软件实现方法.pdf 846.83KB
__MACOSX/._2.3_2_进程互斥的软件实现方法.pdf 249B
2.3_3_进程互斥的硬件实现方法.pdf 532.46KB
__MACOSX/._2.3_3_进程互斥的硬件实现方法.pdf 249B
2.3_4_互斥锁.pdf 395.81KB
__MACOSX/._2.3_4_互斥锁.pdf 249B
2.3_5_信号量机制.pdf 675KB
__MACOSX/._2.3_5_信号量机制.pdf 249B
2.3_6_用信号量实现进程互斥、同步、前驱关系.pdf 574.55KB
__MACOSX/._2.3_6_用信号量实现进程互斥、同步、前驱关系.pdf 249B
2.3_7_生产者-消费者问题.pdf 369.62KB
__MACOSX/._2.3_7_生产者-消费者问题.pdf 249B
2.3_8_多生产者-多消费者.pdf 417.9KB
__MACOSX/._2.3_8_多生产者-多消费者.pdf 249B
2.3_9_吸烟者问题.pdf 384.52KB
__MACOSX/._2.3_9_吸烟者问题.pdf 249B
2.3_10_读者-写者问题.pdf 349.2KB
__MACOSX/._2.3_10_读者-写者问题.pdf 249B
2.3_11_哲学家进餐问题.pdf 444.56KB
__MACOSX/._2.3_11_哲学家进餐问题.pdf 249B
2.3_12_管程.pdf 642.03KB
__MACOSX/._2.3_12_管程.pdf 249B
2.4_1_死锁的概念.pdf 638.68KB
__MACOSX/._2.4_1_死锁的概念.pdf 249B
2.4_2_死锁的处理策略—预防死锁.pdf 569.46KB
__MACOSX/._2.4_2_死锁的处理策略—预防死锁.pdf 249B
2.4_3_死锁的处理策略—避免死锁.pdf 569.16KB
__MACOSX/._2.4_3_死锁的处理策略—避免死锁.pdf 249B
2.4_4_死锁的处理策略—死锁的检测与解除.pdf 499.35KB
__MACOSX/._2.4_4_死锁的处理策略—死锁的检测与解除.pdf 249B
3.1_1_内存的基础知识.pdf 1019.05KB
__MACOSX/._3.1_1_内存的基础知识.pdf 352B
3.1_2_内存管理的概念.pdf 614.25KB
__MACOSX/._3.1_2_内存管理的概念.pdf 352B
3.1_3_覆盖与交换.pdf 559.92KB
__MACOSX/._3.1_3_覆盖与交换.pdf 352B
3.1_4_连续分配管理方式.pdf 544.5KB
__MACOSX/._3.1_4_连续分配管理方式.pdf 352B
3.1_5_动态分区分配算法.pdf 366.67KB
__MACOSX/._3.1_5_动态分区分配算法.pdf 352B
3.1_6_基本分页存储管理的基本概念.pdf 631.72KB
__MACOSX/._3.1_6_基本分页存储管理的基本概念.pdf 352B
3.1_7_基本地址变换机构.pdf 524.15KB
__MACOSX/._3.1_7_基本地址变换机构.pdf 352B
3.1_8_具有快表的地址变换机构.pdf 479.82KB
__MACOSX/._3.1_8_具有快表的地址变换机构.pdf 352B
3.1_9_两级页表.pdf 534.76KB
__MACOSX/._3.1_9_两级页表.pdf 352B
3.1_10_基本分段存储管理方式.pdf 562.17KB
__MACOSX/._3.1_10_基本分段存储管理方式.pdf 352B
3.1_11_段页式管理方式.pdf 590.96KB
__MACOSX/._3.1_11_段页式管理方式.pdf 352B
3.2_1_虚拟内存的基本概念.pdf 723.07KB
__MACOSX/._3.2_1_虚拟内存的基本概念.pdf 352B
3.2_2_请求分页管理方式.pdf 1.16MB
__MACOSX/._3.2_2_请求分页管理方式.pdf 352B
3.2_3_页面置换算法.pdf 449.57KB
__MACOSX/._3.2_3_页面置换算法.pdf 352B
3.2_4_页面分配策略.pdf 596.55KB
__MACOSX/._3.2_4_页面分配策略.pdf 352B
3.2_5_内存映射文件.pdf 332.31KB
__MACOSX/._3.2_5_内存映射文件.pdf 352B
4.1_1_初识文件管理.pdf 1MB
__MACOSX/._4.1_1_初识文件管理.pdf 352B
4.1_2_文件的逻辑结构.pdf 723.42KB
__MACOSX/._4.1_2_文件的逻辑结构.pdf 352B
4.1_3_文件目录.pdf 513.37KB
__MACOSX/._4.1_3_文件目录.pdf 352B
4.1_4_文件的物理结构.pdf 351.79KB
__MACOSX/._4.1_4_文件的物理结构.pdf 352B
4.1_5_逻辑结构VS物理结构.pdf 2.47MB
__MACOSX/._4.1_5_逻辑结构VS物理结构.pdf 352B
4.1_6_文件存储空间管理.pdf 722.98KB
__MACOSX/._4.1_6_文件存储空间管理.pdf 352B
4.1_7_文件的基本操作.pdf 520.91KB
__MACOSX/._4.1_7_文件的基本操作.pdf 352B
4.1_8_文件共享.pdf 964.09KB
__MACOSX/._4.1_8_文件共享.pdf 352B
4.1_9_文件保护.pdf 1.33MB
__MACOSX/._4.1_9_文件保护.pdf 352B
4.3_1_文件系统的层次结构.pdf 164.87KB
__MACOSX/._4.3_1_文件系统的层次结构.pdf 352B
4.3_2_文件系统的全局结构（布局）.pdf 1.41MB
__MACOSX/._4.3_2_文件系统的全局结构（布局）.pdf 352B
4.3_3_虚拟文件系统.pdf 943.08KB
__MACOSX/._4.3_3_虚拟文件系统.pdf 352B
5.1_1_IO设备的基本概念和分类.pdf 486.65KB
__MACOSX/._5.1_1_IO设备的基本概念和分类.pdf 352B
5.1_2_IO控制器.pdf 472.14KB
__MACOSX/._5.1_2_IO控制器.pdf 352B
5.1_3_IO控制方式.pdf 456.96KB
__MACOSX/._5.1_3_IO控制方式.pdf 352B
5.1_4_IO软件层次结构.pdf 317.12KB
__MACOSX/._5.1_4_IO软件层次结构.pdf 352B
5.1_5_输入输出应用程序接口和驱动程序接口.pdf 2.32MB
__MACOSX/._5.1_5_输入输出应用程序接口和驱动程序接口.pdf 352B
5.2_1_IO核心子系统.pdf 136.84KB
__MACOSX/._5.2_1_IO核心子系统.pdf 352B
5.2_2_假脱机技术.pdf 386.65KB
__MACOSX/._5.2_2_假脱机技术.pdf 352B
5.2_3_设备的分配与回收.pdf 467.68KB
__MACOSX/._5.2_3_设备的分配与回收.pdf 352B
5.2_4_缓冲区管理.pdf 400.09KB
__MACOSX/._5.2_4_缓冲区管理.pdf 352B
5.3_1_磁盘的结构.pdf 389.59KB
__MACOSX/._5.3_1_磁盘的结构.pdf 352B
5.3_2_磁盘调度算法.pdf 399.15KB
__MACOSX/._5.3_2_磁盘调度算法.pdf 352B
5.3_3_减少磁盘延迟时间的方法.pdf 323.34KB
__MACOSX/._5.3_3_减少磁盘延迟时间的方法.pdf 352B
5.3_4_磁盘的管理.pdf 278.45KB
__MACOSX/._5.3_4_磁盘的管理.pdf 352B
5.3_5_固态硬盘SSD.pdf 1.46MB
__MACOSX/._5.3_5_固态硬盘SSD.pdf 352B

资源介绍:

王道408 操作系统课件 2024新版ppt课件

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sc0 ls1 ws0">e</div></div><div class="c x1f y10 w4 hd"><div class="t m0 x19 he y11 ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x20 y10 w4 hd"><div class="t m0 x19 he y11 ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x21 y10 w4 hd"><div class="t m0 xf he y11 ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x22 y10 w4 hd"><div class="t m0 x16 he y11 ff9 fs5 fc1 sc0 ls1 ws0">w</div></div><div class="c x23 y10 w5 hd"><div class="t m0 xf he y11 ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x24 y10 w4 hd"><div class="t m0 x19 he y11 ff9 fs5 fc1 sc0 ls1 ws0">r</div></div><div class="c x25 y10 w4 hd"><div class="t m0 x12 he y11 ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x26 y10 w4 hd"><div class="t m0 xf he y11 ff9 fs5 fc1 sc0 ls1 ws0">d</div></div><div class="c x27 y10 w4 hd"><div class="t m0 x19 he y11 ff9 fs5 fc1 sc0 ls1 ws0">!</div></div><div class="c x28 y10 w4 hd"><div class="t m0 x16 he y11 ff9 fs5 fc1 sc0 ls1 ws0">H</div></div><div class="c x29 y10 w4 hd"><div class="t m0 xf he y11 ff9 fs5 fc1 sc0 ls1 ws0">e</div></div><div class="c x2a y10 w4 hd"><div class="t m0 x19 he y11 ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x2b y10 w4 hd"><div class="t m0 x19 he y11 ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x2c y10 w4 hd"><div class="t m0 xf he y11 ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x2d y10 w4 hd"><div class="t m0 x16 he y11 ff9 fs5 fc1 sc0 ls1 ws0">w</div></div><div class="c x2e y10 w5 hd"><div class="t m0 xf he y11 ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x2f y10 w4 hd"><div class="t m0 x19 he y11 ff9 fs5 fc1 sc0 ls1 ws0">r</div></div><div class="c x30 y10 w4 hd"><div class="t m0 x12 he y11 ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x31 y10 w4 hd"><div class="t m0 xf he y11 ff9 fs5 fc1 sc0 ls1 ws0">d</div></div><div class="c x32 y10 w4 hd"><div class="t m0 x19 he y11 ff9 fs5 fc1 sc0 ls1 ws0">!</div></div><div class="c x4 yc w3 h4"><div class="t m0 x33 hf y12 ffa fs5 fc1 sc0 ls1 ws0">每个字符<span class="ffb ls7">1B</span>。在用户看来，整个文</div><div class="t m0 x4 hf y13 ffa fs5 fc1 sc0 ls1 ws0">件占用一片连续的逻辑地址空间</div><div class="t m0 x34 h10 y14 ffb fs5 fc0 sc0 ls8 ws0">······</div><div class="t m0 x35 hf y15 ffb fs5 fc0 sc0 ls9 ws0">Eg<span class="ffa ls1">：你要找到第</span><span class="ls7">16<span class="ffa ls1">个字符（编号从<span class="ffb">0</span>开始）</span></span></div><div class="t m0 x36 hf y16 ffa fs5 fc1 sc0 ls1 ws0">用户用逻辑地</div><div class="t m0 x37 hf y17 ffa fs5 fc1 sc0 ls1 ws0">址访问文件</div></div><div class="c x4 ye w3 h9"><div class="t m0 x0 ha yb ff7 fs1 fc3 sc0 ls1 ws0">4</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div><div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/87928217/bg3.jpg"><div class="c x1 y1 w2 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">2022<span class="ff2 ls1">年</span></div><div class="t m0 x3 h3 y3 ff2 fs0 fc0 sc0 ls2 ws0">王道考研<span class="ff1 ls3">/c<span class="_ _0"></span>s<span class="_ _0"></span>ka<span class="_ _0"></span>oya<span class="_ _0"></span>n.<span class="_ _0"></span>c<span class="_ _0"></span>o<span class="_ _0"></span>m<span class="_ _1"> </span><span class="ls1">3</span></span></div></div><div class="c x4 y4 w3 h4"><div class="t m0 x8 h8 y9 ff6 fs3 fc2 sc0 ls1 ws0">!"#$<span class="ls5">%&'()*+)<span class="_ _2"></span>,-&*.</span></div><div class="t m1 x38 hb yd ff2 fs4 fc4 sc1 ls6 ws0">物理结构（从操作系统视角看）</div><div class="t m0 x39 h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x3a h10 y19 ffb fs5 fc1 sc0 lsa ws0">#0</div><div class="t m0 x3b h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x3c h10 y19 ffb fs5 fc1 sc0 lsa ws0">#1</div><div class="t m0 x3d h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x3e h10 y19 ffb fs5 fc1 sc0 lsa ws0">#2</div><div class="t m0 x3f h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x40 h10 y19 ffb fs5 fc1 sc0 lsa ws0">#3</div><div class="t m0 x41 h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x15 h10 y19 ffb fs5 fc1 sc0 lsa ws0">#4</div><div class="t m0 x42 h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x6 h10 y19 ffb fs5 fc1 sc0 lsa ws0">#5</div><div class="t m0 x43 h10 y1a ffb fs5 fc0 sc0 ls8 ws0">······</div></div><div class="c x44 y1b w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">H</div></div><div class="c x45 y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">e</div></div><div class="c x46 y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x3f y1b w5 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x47 y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x48 y1b w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">w</div></div><div class="c x49 y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x9 y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">r</div></div><div class="c x4a y1b w4 hd"><div class="t m0 x12 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x4b y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">d</div></div><div class="c x36 y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">!</div></div><div class="c x4c y1b w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">H</div></div><div class="c x4d y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">e</div></div><div class="c x4e y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x4f y1b w5 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x50 y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x51 y1b w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">w</div></div><div class="c x52 y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x53 y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">r</div></div><div class="c x54 y1b w4 hd"><div class="t m0 x12 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x55 y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">d</div></div><div class="c x56 y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">!</div></div><div class="c x57 y1b w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">H</div></div><div class="c x58 y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">e</div></div><div class="c x59 y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x5a y1b w5 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x5b y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x5c y1b w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">w</div></div><div class="c x5d y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x5e y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">r</div></div><div class="c x5f y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x60 y1b w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">d</div></div><div class="c x61 y1b w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">!</div></div><div class="c x4 y4 w3 h4"><div class="t m0 x2e h10 y1d ffb fs5 fc0 sc0 ls8 ws0">······</div><div class="t m0 x62 hf y1e ffa fs5 fc0 sc0 ls1 ws0">被操作系统拆分为若干个块，逻辑块号相邻</div><div class="t m0 x21 hf y1f ffa fs5 fc0 sc0 ls1 ws0">连续分配：逻辑上相邻的块物理上也相邻</div><div class="t m0 x63 h10 y20 ffb fs5 fc1 sc0 lsa ws0">#0<span class="_ _3"> </span>#1</div><div class="t m0 x64 h10 y21 ffb fs5 fc1 sc0 lsa ws0">#2<span class="_ _3"> </span>#3</div><div class="t m0 x63 h10 y22 ffb fs5 fc1 sc0 lsa ws0">#4<span class="_ _3"> </span>#5</div><div class="t m0 x65 h10 y23 ffb fs5 fc0 sc0 lsb ws0">……</div><div class="t m0 x66 hf y24 ffa fs5 fc0 sc0 ls1 ws0">用户：</div><div class="t m0 x66 hf y25 ffa fs5 fc0 sc0 ls1 ws0">使用<span class="_ _4"> </span><span class="ffb">C</span>语言库函数<span class="_ _4"> </span><span class="ffb lsc">fsee<span class="_ _0"></span>k</span>，将文件读写指针指向位置<span class="_ _4"> </span><span class="ffb">n</span></div><div class="t m0 x66 hf y26 ffa fs5 fc0 sc0 ls1 ws0">使用<span class="_ _4"> </span><span class="ffb">C</span>语言库函数<span class="_ _4"> </span><span class="ffb lsd">fge<span class="_ _0"></span>t<span class="_ _0"></span>c<span class="_ _0"></span></span>，从读写指针所指位置读出<span class="_ _4"> </span><span class="ffb ls7">1B<span class="_ _4"> </span></span>内容</div><div class="t m0 x67 hf y27 ffb fs5 fc1 sc0 lsd ws0">fge<span class="_ _0"></span>t<span class="_ _0"></span>c<span class="_ _5"> </span><span class="ffa ls1">底层使用了<span class="_ _4"> </span></span><span class="lse">Rea<span class="_ _0"></span>d<span class="_ _5"> </span><span class="ffa ls1">系统调用，</span></span></div><div class="t m0 x68 hf y28 ffa fs5 fc1 sc0 ls1 ws0">操作系统将（逻辑块号，块内偏移量）</div><div class="t m0 x69 hf y29 ffa fs5 fc1 sc0 ls1 ws0">转换为（物理块号，块内偏移量）</div><div class="t m0 x6a hf y2a ffa fs5 fc1 sc0 ls1 ws0">操作系统视角：反正就是一堆二进制数</div><div class="t m0 x6b hf y2b ffa fs5 fc1 sc0 ls1 ws0">据，每个磁盘块可存储<span class="ffb ls7">1KB</span>，拆就完了！</div><div class="t m0 x6c hf y2c ffa fs5 fc1 sc0 ls1 ws0">指明逻</div><div class="t m0 x6c hf y22 ffa fs5 fc1 sc0 ls1 ws0">辑地址</div></div><div class="c x4 ya w3 h9"><div class="t m0 x0 ha yb ff7 fs1 fc3 sc0 ls1 ws0">5</div></div><div class="c x4 yc w3 h4"><div class="t m0 x8 h8 y9 ff6 fs3 fc2 sc0 ls1 ws0">!"#$<span class="ls5">%&'()*+)<span class="_ _2"></span>,-&*.</span></div><div class="t m1 x38 hb yd ff2 fs4 fc4 sc1 ls6 ws0">物理结构（从操作系统视角看）</div><div class="t m0 x39 h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x3a h10 y19 ffb fs5 fc1 sc0 lsa ws0">#0</div><div class="t m0 x3b h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x3c h10 y19 ffb fs5 fc1 sc0 lsa ws0">#1</div><div class="t m0 x3d h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x3e h10 y19 ffb fs5 fc1 sc0 lsa ws0">#2</div><div class="t m0 x3f h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x40 h10 y19 ffb fs5 fc1 sc0 lsa ws0">#3</div><div class="t m0 x41 h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x15 h10 y19 ffb fs5 fc1 sc0 lsa ws0">#4</div><div class="t m0 x42 h10 y18 ffb fs5 fc1 sc0 ls7 ws0">1KB</div><div class="t m0 x6 h10 y19 ffb fs5 fc1 sc0 lsa ws0">#5</div><div class="t m0 x43 h10 y1a ffb fs5 fc0 sc0 ls8 ws0">······</div></div><div class="c x44 y2d w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">H</div></div><div class="c x45 y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">e</div></div><div class="c x46 y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x3f y2d w5 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x47 y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x48 y2d w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">w</div></div><div class="c x49 y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x9 y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">r</div></div><div class="c x4a y2d w4 hd"><div class="t m0 x12 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x4b y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">d</div></div><div class="c x36 y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">!</div></div><div class="c x4c y2d w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">H</div></div><div class="c x4d y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">e</div></div><div class="c x4e y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x4f y2d w5 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x50 y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x51 y2d w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">w</div></div><div class="c x52 y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x53 y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">r</div></div><div class="c x54 y2d w4 hd"><div class="t m0 x12 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x55 y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">d</div></div><div class="c x56 y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">!</div></div><div class="c x57 y2d w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">H</div></div><div class="c x58 y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">e</div></div><div class="c x59 y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x5a y2d w5 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x5b y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x5c y2d w4 hd"><div class="t m0 x16 he y1c ff9 fs5 fc1 sc0 ls1 ws0">w</div></div><div class="c x5d y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">o</div></div><div class="c x5e y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">r</div></div><div class="c x5f y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">l</div></div><div class="c x60 y2d w4 hd"><div class="t m0 xf he y1c ff9 fs5 fc1 sc0 ls1 ws0">d</div></div><div class="c x61 y2d w4 hd"><div class="t m0 x19 he y1c ff9 fs5 fc1 sc0 ls1 ws0">!</div></div><div class="c x4 yc w3 h4"><div class="t m0 x2e h10 y1d ffb fs5 fc0 sc0 ls8 ws0">······</div><div class="t m0 x21 hf y2e ffa fs5 fc0 sc0 ls1 ws0">链接分配：逻辑上相邻的块在物理上用链接</div><div class="t m0 x21 hf y2f ffa fs5 fc0 sc0 ls1 ws0">指针表示先后关系</div><div class="t m0 x63 h10 y20 ffb fs5 fc1 sc0 lsa ws0">#0</div><div class="t m0 x6d h10 y30 ffb fs5 fc1 sc0 lsa ws0">#1</div><div class="t m0 x64 h10 y31 ffb fs5 fc1 sc0 lsa ws0">#2</div><div class="t m0 x5a h10 y21 ffb fs5 fc1 sc0 lsa ws0">#3</div><div class="t m0 x5a h10 y32 ffb fs5 fc1 sc0 lsa ws0">#4</div><div class="t m0 x6d h10 y22 ffb fs5 fc1 sc0 lsa ws0">#5</div><div class="t m0 x65 h10 y23 ffb fs5 fc0 sc0 lsb ws0">……</div><div class="t m0 x66 hf y24 ffa fs5 fc0 sc0 ls1 ws0">用户：</div><div class="t m0 x66 hf y25 ffa fs5 fc0 sc0 ls1 ws0">使用<span class="_ _4"> </span><span class="ffb">C</span>语言库函数<span class="_ _4"> </span><span class="ffb lsc">fsee<span class="_ _0"></span>k</span>，将文件读写指针指向位置<span class="_ _4"> </span><span class="ffb">n</span></div><div class="t m0 x66 hf y26 ffa fs5 fc0 sc0 ls1 ws0">使用<span class="_ _4"> </span><span class="ffb">C</span>语言库函数<span class="_ _4"> </span><span class="ffb lsd">fge<span class="_ _0"></span>t<span class="_ _0"></span>c<span class="_ _0"></span></span>，从读写指针所指位置读出<span class="_ _4"> </span><span class="ffb ls7">1B<span class="_ _4"> </span></span>内容</div><div class="t m0 x62 hf y1e ffa fs5 fc0 sc0 ls1 ws0">被操作系统拆分为若干个块，逻辑块号相邻</div><div class="t m0 x6a hf y2a ffa fs5 fc1 sc0 ls1 ws0">操作系统视角：反正就是一堆二进制数</div><div class="t m0 x6b hf y2b ffa fs5 fc1 sc0 ls1 ws0">据，每个磁盘块可存储<span class="ffb ls7">1KB</span>，拆就完了！</div><div class="t m0 x6c hf y2c ffa fs5 fc1 sc0 ls1 ws0">指明逻</div><div class="t m0 x6c hf y22 ffa fs5 fc1 sc0 ls1 ws0">辑地址</div><div class="t m0 x67 hf y27 ffb fs5 fc1 sc0 lsd ws0">fge<span class="_ _0"></span>t<span class="_ _0"></span>c<span class="_ _5"> </span><span class="ffa ls1">底层使用了<span class="_ _4"> </span></span><span class="lse">Rea<span class="_ _0"></span>d<span class="_ _5"> </span><span class="ffa ls1">系统调用，</span></span></div><div class="t m0 x68 hf y28 ffa fs5 fc1 sc0 ls1 ws0">操作系统将（逻辑块号，块内偏移量）</div><div class="t m0 x69 hf y29 ffa fs5 fc1 sc0 ls1 ws0">转换为（物理块号，块内偏移量）</div></div><div class="c x4 ye w3 h9"><div class="t m0 x0 ha yb ff7 fs1 fc3 sc0 ls1 ws0">6</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>

标题	大小	时间
Mathwork+Matlab+编程手册	2.2MB	1年前

C#一个简陋的截图工具-供初学用（我也是菜鸟）	62.59KB	13年前
fe1.1s usb扩展口的原理图	40.99KB	11年前
拼多多订单批量导出软件工具	49.19MB	4年前
misaka-v3.3.8.zip	28.06MB	1年前

Spring3.2 jar	4.9MB	12年前
QT+FFMPEG 从摄像机拉取rtsp裸h264流，播放并保存到本地	79.33KB	4年前
WebrtcDemo	2.41MB	7年前