Can someone please help me with these questions based onoperating systems on memory I need help as soon as possible.
4. (a) If FIFOpage replacement is used withfour page frames and eight virtual pages, how many page faults willoccur with the reference string 7021052734204673 if the four framesare initially empty?
(b) Now repeat this problem for LRU.
5. How MMU maps the following virtual addresses to physicalmemory addresses based on the page table given below? (a) 24625(assume that the page frame 4 is freed) (b) 32795 (assume that thepage frame 6 is freed)
Virtual
OR
OR