GATE 2023 Operating System Quiz 37

Consider the following memories
1. Main memory
2. Hard disk
3. Level-2 cache
Which of the above memories can be used to store the page tables?

A computer is using paging memory management ,logical address space has size 64MB. Table entry has size of 4 bytes. What is the page size ?

Consider a system which has logical address 27 bits and physical address is 21 bits and page size = 4kw then calculate the number of pages and the number of frames?

Match the following flag bits used in the concept of virtual memory management system with the purpose for which they used.

Which of the following is correct?

Which of the following statement is /are true?

Statement 1 : External fragmentation is NOT possible in paging.

Statement 2 : Pages of any program are fixed-sized and can be located anywhere in the memory.

Consider a computer system having page size 4 KB, number of pages 8 K and number of frames 512. Then page table size will be?