Consider a system with 40-bit virtual addresses, 36-bit physical addresses, and 64 KiB (【图片】bytes) pages. The system uses a page map to translate virtual addresses to physical addresses; each page map entry includes dirty (D) and resident (R) bits.a) Assuming a flat page map, what is the size of each page map entry, and how many entries does the page map have?Q5. Size of page map entry in bits: ____(number only)