A data computer provides a virtual memory of 2³² bytes. The computer has a physcial memory of 2¹⁸ bytes. Virtual memory is implemented with the help of paging and page size is 2¹² bytes. A user process generates virtual address 0x11123456 (hexadecimal).

(a) Explain how the system obstains corresponding physical address.

(b) Is this efficiently done in hardware, software, or both? Explain the role of TLB in this process