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Consider a system with byte–addressable memory, 32-bit logical addresses, 4 kilobyte page size and page table entries of 4 bytes each. The size of the page table in the system in megabytes is ______.
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- 84 mB
- 2 mB
- 10 mB
- 4 mB
Correct Option: D
Given that Logical Address (LA) = 32 bits
Logical Address Size (LAS) = 232 = 448
Page size = 4 kB
| ∴ Number of pages = | = | = | = 220 = 1 m | |||
| P.S | 4 KB | K |
Size of the page table entry = 4 bytes
∴ Page table size = 4B × 1m = 4 mB
