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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.。同城约会对此有专业解读
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Жители Санкт-Петербурга устроили «крысогон»17:52
BAS takes on up to 150 new recruits for Antarctica each year. While specialist science and engineering roles form the backbone, around 70% of the jobs are the operational roles required to keep the stations functioning.。关于这个话题，safew官方版本下载提供了深入分析