Memory Management MCQ Multiple Choice Questions - Page 2 for Practice
Memory Management MCQ Questions for Practice
16. Main memory in a computer system is .............. as a linear or one dimensional, address space, consisting of a sequence of bytes or words.
Correct Answer is: organized
17. Memory management technique in which system stores and retrieves data from secondary storage for use in main memory is called
Correct Answer is: paging
18. Operating System maintains the page table for
Correct Answer is: each process
19. Page fault occurs when
Correct Answer is: When a requested page is not in memory
20. Program always deals with
Correct Answer is: logical address
21. Run time mapping from virtual to physical address is done by
Correct Answer is: Memory management unit
22. Satisfaction of the relocation requirement increases the difficulty or satisfying the ......... requirement.
Correct Answer is: Protection
23. The .............. requirement must be satisfied by the processor rather than the operating system, because the operating system cannot anticipate all of the memory references that the program will make.
Correct Answer is: memory protection
24. The address of a page table in memory is pointed by
Correct Answer is: page table base register
25. The memory management system must therefore allow controlled access to .............. areas of memory without compromising essential protection.
Correct Answer is: shared
26. The page table contains
Correct Answer is: base address of each page in physical memory
27. Thrashing occurs when
Correct Answer is: Processes on system frequently access pages not memory
28. Virtual memory is
Correct Answer is: Illusion of large main memory
29. What is compaction?
Correct Answer is: a technique for overcoming external fragmentation
