Hardware Protection 硬件保护 Dua- Mode Operation两状态运行 O Protection /o保护 ° Memory Protection内存保护 CPU Protection CPU保护 Applied Operating System Concepts 2.15Applied Operating System Concepts 2.15 Hardware Protection 硬件保护 • Dual-Mode Operation 两状态运行 • I/O Protection I/O保护 • Memory Protection 内存保护 • CPU Protection CPU 保护