申論題

1. Assume a 32-bit, byte-addressed machine with virtual addressing. The two high-order bits are 11 is treated as unmapped. These addresses are only accessible by the operating system and bypass virtual address translation. The answers need to express as a multiple of a power of 2, or in terms of KB, MB, GB, or TB as appropriate.

1.1 What is the maximum amount of physical memory this system can address?