《计算机组成及汇编语言原理》阅读笔记：p177-p177《计算机组成及汇编语言原理》学习第 13 天，p177-p177 总结，总计 1 页。A programming model where the program has access to the entire capability of the machine, bypassing security and memory management. Useful primarily for operating systems and other supervisor-level programs(实模式是一