A virtual memory system is one that mechanizes the process of overlay generation by performing a series of mapping operations. In how many ways can a virtual memory system be configured ? Explain your answer. Design a mapping scheme with the following specifications: Virtual address space = 32K words, Main memory size = 8K words, Page size = 2K words what is a page fault ? what is a physical address ? An entry on the page table figure 1 above, reads page 0, frame 2, valid bit 1.What is the meaning of this entry ? An entry on the page table figure 1 above, reads page 6, frame -, valid bit 0 .what is the meaning of this entry