Operating Systems第 39 / 100 题
What does an OS 'kernel' do?
a.It displays the desktop wallpaper
b.It is the core that manages memory, processes, and hardware access
c.It provides the web browser
d.It stores user photos
解析
The kernel is the central core of an operating system that manages memory, schedules processes, and controls access to hardware. It operates in a privileged mode and acts as a bridge between applications and the physical machine. A stable kernel is essential for system reliability.
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