© 2014-2026 上海东方报业有限公司
The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.
，这一点在Line官方版本下载中也有详细论述
Crawler-Repo: save(Article, raw)。同城约会对此有专业解读
在泱泱大国领航者心中，“人民”二字的分量永远最重。扶贫始终是习近平总书记工作的一个重要内容，花的精力最多。
Шанхайские Драконы