A virtual memory system uses First In First Out (FIFO) page replacement policy and allocates a fixed number of frames to a process.Consider the following statements:   P: Increasing the number of page frames allocated to a process sometimes increases the page fault rate      Q: Some programs do not exhibit the locality of referenceAnswer( Please choose a correct answer )   CLEARBoth P and Q are true, and Q is the reason for PBoth P and Q are true, but Q is not the reason for PP is false but Q is trueBoth P and Q are false

Page sequence executed through FIFO is 8, 7, 6, 3, 7, 4, 2, 5, over a memory space. Choose the correct option:7 page faults occur if 5 blocks in memory6 page faults occur if 3 blocks in memory8 page faults occur if 3 blocks in memory9 page faults occur if 5 blocks in memory

Consider the following page reference string. 1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6 For FIFO page replacement algorithms with 3 frames, the number of page faults is?a.15b.14c.11d.16

What is virtual memory? Why is it necessary to implementvirtual memory? Explain the virtual to physical addresstranslation process using paging with example

[8, 6, 2, 2, 1, 3, 6, 8, 5, 3, 3, 0, 1] page sequence is executed on two processors with memory space of 3K and 4K each for processor A and processor B respectively. Page replacement policy takes recent usage while replacing pages in blocks. What seems to be true?10 faults are observed in 4K memory space12 faults are observed in 3K memory space2K page size is efficient than 4K memory space4K memory space is efficient than 3K memory space

In modern operating systems, how does virtual memory management enhance system stability and efficiency, and what techniques are used to manage virtual memory effectively?(a) Virtual memory management combines multiple physical memory modules into a single logical unit, increasing available memory and simplifying memory allocation.(b) Virtual memory management allows processes to use disk space as an extension of RAM, ensuring that memory-hungry applications do not crash the system. Techniques include demand paging and swap space management.(c) Virtual memory management enhances system stability and efficiency by using paging and segmentation to isolate processes and by implementing page replacement algorithms to optimize memory usage. This approach allows processes to run as if they have access to a large contiguous block of memory, even when physical memory is limited.(d) Virtual memory management allocates fixed memory segments to different processes, reducing the likelihood of memory leaks and improving overall system performance.(e) Virtual memory management relies solely on increasing physical RAM to handle larger workloads, which improves stability but does not optimize efficiency.