4. Assume a virtual memory system that can address 232 bytes. The physical (main) memory size is 8MB and virtual and physical page sizes are 4KB each 4.A.) (5 POINTS) How many bits is the physical address? 4.B.) (5 POINTS) What is the maximum number of virtual pages? 4.?.) (5 POINTS) How many physical pages are there? 4.D.) (5 POINTS) How many bits is the virtual page number? 4.E.) (5 POINTS) How many bits is the physical page number