Difference between the real mode and the protected mode, Computer Engineering

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Problem

(a) Explain the difference between the real mode and the protected mode in the 80x86 family of processors.

(b) The 32-bit physical address 047C:0048 is to be converted as a 20-bit real mode address. Illustrate how this is done in the Intel 80286 processor.

(c) Briefly explain the difference between 16-bit protected mode and 32-bit protected modes in Intel microprocessors.


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