以下关于嵌入式系统中实模式说法错误的是()。
- A.划分了“系统空间”和“用户空间”
- B.OS内核与外围应用程序之间不再有物理边界
- C.运行上下文和栈是独享内核线程
- D.系统中“任务”或“进程”全都是内核线程
正确答案及解析
正确答案
解析
实模式的主要特点是：①不再划分“系统空间”和“用户空间”，整个系统中有一个物理内存地址空间，②OS内核与外围应用程序之间不再有物理边界；③系统中“任务”或“进程”全都是内核线程，④只有运行上下文和栈是独享内核线程，其他资源都是共享的。
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