[ The PC Guide | Systems and Components Reference Guide | The Processor | Processor Architecture and Operation | Internal Processor Interfaces and Operation ]

Processor Modes

Processor modes refer to the various ways that the processor creates an operating environment for itself. Specifically, the processor mode controls how the processor sees and manages the system memory and the tasks that use it. There are three different modes of operation, that resulted from the evolution of the PC from its humble beginnings with the Intel 8088 chip.

Next: Real Mode

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