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Directions (Q76–80): A machine has 16 GB main memory and a 32-bit virtual address space with 4 KB pages. Frame size equals page size.

What is the minimum number of bits needed for the physical address?

Pick an option to check yourself, or open the answer below.

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Correct answer: B. 34

Explanation

16 GB = 2³⁴ bytes, so 34 physical address bits.

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