(2 points) In systems using inverted page table: a) The time to search the page table increases, compared to single-level page tables b) The amount of memory needed for the page table is typically larger than that is needed for single-level page tables c) There is an entry for every page of every process d) TLB is not needed (2 points) Consider an instruction within a certain instruction-set architecture (ISA) SUB R1, M2, R3. This instruction subtracts the contents of the memory location M2 (direct addressing) from the value in Register R1, and stores the result in Register R3. What is the maximum number of page faults that may be caused by this single instruction? a) 1 b) 2 c) 3 d) 4