Consider the following flat one level page table of a machine with 32-bit address space and 4 Kbyte page size: Page Address Modified bit Present bit FFFFFH 1. ABCDE. 12345h 00000h 4 12345h 00005h 1. 1. a) The virtual address 00000FFFh is mapped to which real address? Answer: FFFFFFFFH b) The virtual address 00003FFFH is mapped to which real address? Answer : causes page fault c) let's assume one page must be removed from the memory in the above page table. Which page you would select and why ? Ans: page 5 (Need a brief explanation please)