Paging

Question

Hi ,

Can anyone please please explain me the concept of paging .. 2nd level , third level and multilevel. I'm unable to answer questions. 

In a 32-bit machine we subdivide the virtual address into 4 segments as follows:

 

10-bit

8-bit

6-bit

8 bit

We use a 3-level page table, such that the first 10-bit are for the first level and so on.

1. What is the page size in such a system?
2. What is the size of a page table for a process that has 256K of memory starting at address 0?
3. What is the size of a page table for a process that has a code segment of 48K starting at address 0x1000000, a data segment of 600K starting at address 0x80000000 and a stack segment of 64K starting at address 0xf0000000 and growing upward (like in the PA-RISC of HP)?

 

There are many such questions.. please help me in this. Please guys.