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Previous Year Question (PYQs)
2
Consider a machine with $16\ GB$ main memory and $32$-bits virtual address space, with page size as $4KB$. Frame size and page size is same for the given machine.
Find number of pages required for the given virtual address space.
Solution
Virtual address space $=32$ bits
So, total virtual memory size:
$2^{32}$ bytes
Page size $=4KB=2^{12}$ bytes
Number of pages:
$\frac{2^{32}}{2^{12}}=2^{20}$
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