Search - disk scheduling

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[SCM] 12 DL : 0: 第12章（/12/） BasicUSB.SchDoc 电路原理图 FX2Test/FX2Test.Uv2 Keil C51工程 FX2Test/EZUSB.LIB EZ-USB库文件 FX2Test/dscr.a51 USB描述符 FX2Test/USBJmpTb.OBJ USB中断跳转表 FX2Test/syncdly.h 同步延时 FX2Test/lpregs.h 寄存器声明 FX2Test/lp.h EZ-USB头文件 FX2Test/fw.c C51主程序 FX2Test/periph.c 初始化及任务调度 FX2Test/FX2Test.hex 单片机Hex文件 FX2Test/STARTUP.A51 启动代码程序描述：使用Cypress提供的EZ-USB开发工具包进行基本的固件程序设计。安装：把源码拷贝到硬盘特定目录下，使用Keil C编译器运行即可。注意：这里需要添加完整的头文件及库文件才可以编译。 -Chapter 12 (/ 12 /) BasicUSB.SchDoc circuit schematic FX2Test/FX2Test.Uv2 Keil C51 works FX2Test/EZUSB.LIB EZ-USB library file FX2Test/dscr.a51 USB descriptor FX2Test/USBJmpTb.OBJ USB interrupt jump table FX2Test/syncdly.h sync delay register FX2Test/lpregs.h statement FX2Test/lp.h EZ-USB header files FX2Test/fw.c C51 main program initialization and task scheduling FX2Test/periph.c single FX2Test/FX2Test.hex Hex machine code file to start the procedure FX2Test/STARTUP.A51 Description: Cypress provided the use of EZ-USB Development Kit basic firmware programming. Installation: copy the source to your hard disk under a specific directory, use the Keil C compiler can run. Note: There will need to add the complete header files and library files can be compiled.
Date : 2025-12-29 Size : 45kb User : 熊達達
[SCM] cipandiaodu DL : 0: 在先来先服务调度算法（FCFS），最短寻道时间优先调度算法（SSTF），循环扫描算法（SCAN）中选择一个适合的磁盘调度算法完成磁盘查找内容。-First come first serve scheduling algorithm (FCFS), priority scheduling algorithm for the shortest seek time (SSTF), cycle scan algorithm (SCAN) to select a suitable disk scheduling algorithm to find the contents of the completion of the disk.
Date : 2025-12-29 Size : 7kb User : machunyu
[SCM] DISK_SCH DL : 0: this disk scheduling program in os-this is disk scheduling program in os
Date : 2025-12-29 Size : 2kb User : mams
[SCM] Hard-Disk-Scheduling DL : 0: This code shows the head movement of the hard disk in graphical form.
Date : 2025-12-29 Size : 4kb User : Faheem
[SCM] 10.1.1.91.4463 DL : 0: Abstract—Many portable systems deploy operating systems (OS) to support versatile functionality and to manage resources, including power. This paper presents a new approach for using OS to reduce the power consumption of IO devices in teractive systems. Low-power OS observes the relationship between hardware devices and processes. The OS kernel estimates the utilization of a device from each process. If a device is not used by any running process, the OS puts it into a low-power state. This paper also explains how scheduling can facilitate power management. When processes are properly scheduled, power reduction can be achieved without degrading performance. We implemented a prototype on Linux to control two devices experimental results showed nearly 70 power saving on a network card and a hard disk drive-Abstract—Many portable systems deploy operating systems (OS) to support versatile functionality and to manage resources, including power. This paper presents a new approach for using OS to reduce the power consumption of IO devices in interactive systems. Low-power OS observes the relationship between hardware devices and processes. The OS kernel estimates the utilization of a device from each process. If a device is not used by any running process, the OS puts it into a low-power state. This paper also explains how scheduling can facilitate power management. When processes are properly scheduled, power reduction can be achieved without degrading performance. We implemented a prototype on Linux to control two devices experimental results showed nearly 70 power saving on a network card and a hard disk drive
Date : 2025-12-29 Size : 252kb User : bahar
[SCM] OSTest3 DL : 0: 1．本实验是模拟操作系统的磁盘寻道方式，运用磁盘访问顺序的不同来设计磁盘的调度算法。实现的磁盘调度算法有FCFS，SSTF，SCAN，CSCAN和 NStepSCAN算法。 -A. This experiment is a simulation of the operating system disk seek ways to use different disk access order to design a disk scheduling algorithm. Implementation of disk scheduling algorithms FCFS, SSTF, SCAN, CSCAN and NStepSCAN algorithm.
Date : 2025-12-29 Size : 3kb User : 艾原媛