A virtual memory system has the following parameters- virtual address length: 36-bit, a) Physical Memory Size: 4GB, Page Size: 4KB, Additional valid bits and protection bits: 8. b) Physical Memory Size: 4GB, Page Size: 4KB, Without additional bits and protection bits Calculate the following: a) Length of the Virtual Page Number (bits), b) Length of the Physical Page Number (bits), c) Total Number of Entries in the Page Table, and d) Page Table Size (bits)