DOS applications running native (not under Windows) run in Real Mode. See Protected Mode and Virtual 8086 Mode. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Where protected mode is convenient compared to real mode is that with the former the memory accesses go via the MMU and thus allows for access to 16 MB on the 80286 and 4 GB on the 80386.

See Real Mode, Virtual 8086 Mode, 32-bit processing and memory protection. (2) (protected mode) May refer to memory protection or a type of secure environment. See memory protection. THIS ...