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On the surface, protected mode and real mode is not much difference between the...
从表面上看，保护模式和实模式并没有太大的区别，二者都使用了内存段、中断和设备驱动来处理硬件，但二者有很多不同之处。我们知道，在实模式中内存被划分成段，每个段的大小为64KB，而这样的段地址可以用16位来表示。内存段的处理是通过和段寄存器相关联的内部机制来处理的，这些段寄存器（CS、DS、 SS和ES）的内容形成了物理地址的一部分。具体来说，最终的物理地址是由16位的段地址和16位的段内偏移地址组成的。用公式表示为：物理地址=左移4位的段地址+偏移地址。-On the surface, protected mode and real mode is not much difference between the two are the use of the memory, Drivers interruption and equipment to deal with the hardware, but there are many differences. We know that in real mode which has been divided into memory, each the size of 64 KB. and the addresses of 16 can be used to express. Memory of the handling of the adoption and register linked to the internal mechanisms to deal with, of these registers (CS, DS, SS and ES) with the formation of a part of the physical address. Specifically, the ultimate physical address is 16 of the 16 addresses and the addresses of migration within the composition. The use of the formula is expressed as : physical address = 4 bits of the address offset address.
- 2023-02-13 11:45:04下载
- 积分：1
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骑士问题一的算法，用c语言实现的，编译通过的
骑士问题一的算法，用c语言实现的，编译通过的-Knight issue an algorithm, using c language implementation, and compiled by the
- 2022-08-20 22:57:32下载
- 积分：1
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栈的应用，一个简单的迷宫问题，希望大家改进改进
栈的应用，一个简单的迷宫问题，希望大家改进改进-stack of applications, a simple maze, we hope to improve improvements
- 2022-08-03 13:30:13下载
- 积分：1
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DOS下进入Protect Mode,任意访问0
DOS下进入Protect Mode,任意访问0-4GB内存地址数据。-DOS into Protect Mode, random access memory address 0-4GB of data.
- 2022-02-14 01:37:57下载
- 积分：1
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利用LabVIEW编写观测显示的小程序，用于罪…
一个用LabVIEW写的观测显示的小程序，用来对单片机上传的串口数据进行显示，仅适合lv初学者。-Using LabVIEW to write an observation shows that a small procedure, used for single-chip serial port to upload data show that only suitable for beginners lv.
- 2022-05-07 19:13:10下载
- 积分：1
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本程序采用牛顿拉夫逊进行电力网络的潮流分布计算，是电力系统教学的工具之一。...
本程序采用牛顿拉夫逊进行电力网络的潮流分布计算，是电力系统教学的工具之一。-This procedure using the Newton Raphson power networks, the trend of distributed computing, power systems are one of the tools of teaching.
- 2022-11-01 17:50:03下载
- 积分：1
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java的一点小东东啦，快让我下载啊，真是很郁闷的啊
java的一点小东东啦，快让我下载啊，真是很郁闷的啊-the small Eastern-- and faster so I downloaded ah, it was really very depressed ah
- 2022-05-29 12:06:51下载
- 积分：1
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an imitation cs Roaming System Directory is the source, through the absolute sou...
一个仿cs漫游系统教程有源码,vc6源码绝对通过-an imitation cs Roaming System Directory is the source, through the absolute source vc6
- 2022-02-26 23:56:17下载
- 积分：1
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模拟vt102虚拟机，可连接mud.bbs等
模拟vt102虚拟机，可连接mud.bbs等-Analog vt102 virtual machine, can be connected to mud
- 2022-02-05 13:12:13下载
- 积分：1
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VC++ to write with the calculation of MD5 value of the dynamic library, is the s...
用VC++写的计算MD5值的动态库，是源代码哟，可加入自己的程序中进行密码的加密，呵，喜欢的下-VC++ to write with the calculation of MD5 value of the dynamic library, is the source code yo can add it to your program the password encryption, Oh, like the next
- 2023-07-23 03:05:04下载
- 积分：1
