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OS:paging Testbook Live Test Q 55

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In a two level paging environment a page table is divided in to  2^12 pages each of size 4KW. The memory is word addressable. The physical address space is 128MW. Memory is divided into 2^14 frames.Length of the logical address is _________

 

My approach:

Given #pages = 2^12

pagesize = 4KW.

PAS = 128MW

#frames = 2^14

using the #pages and pagesize we can get VAS? how to approach.
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