For these smaller computers, IBM reasoned that they needed to offer peripherals
Nearly every protection-related instruction -- far CALL, far JMP, far RET, INT, IRET, MOV to segment register, task switch -- needs to load a segment descriptor from the GDT or LDT. The 386 microcode centralizes this into a shared subroutine called LD_DESCRIPTOR, which reads the 8-byte descriptor from memory and feeds the high DWORD (containing Type, DPL, S, and P bits) to the Test PLA for validation.
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Segment not present fault
。关于这个话题，heLLoword翻译官方下载提供了深入分析
如果将 iPhone 发布的 2007 年视为智能手机的元年，那么到今天，已经狂奔了近二十年。。快连下载安装是该领域的重要参考
DownHard thing to leave on a cold dayThe answer is Bed.