4048 - Ring (CPU)

Maturity
Basic
Scope
Flow
Cycle

Protection rings in a CPU refer to a hierarchical model where different levels of privilege are assigned to software components. The kernel operates in a privileged mode (ring 0) with full access to hardware, while user applications run in a less privileged mode (ring 3) with restricted access.
To Center Kernel Mode
To Periphery User Mode

Links

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