Memory Management MCQ Questions and Answers for Practice

1. .............. is based on the use of one or both of two basic techniques: segmentation and paging.

1. memory partitioning
2. virtual memory
3. real memory
4. memory organization

2. A memory buffer used to accommodate a speed differential is called

1. stack pointer
2. cache
3. accumulator
4. disk buffer

3. A process may be loaded into a partition of equal or greater size in .............. of memory.

1. Fixed partitioning
2. Simple Paging
3. Virtual memory paging
4. Simple segmentation

4. Among all memory management techniques .............. is simple to implement little operating system overhead.

1. Fixed partitioning
2. Simple Paging
3. Virtual memory paging
4. Simple segmentation

5. Any .............. mechanism must have the flexibility to allow several processes to access the same portion of main memory.

1. relocation
2. protection
3. sharing
4. organization

6. CPU fetches the instruction from memory according to the value of

1. program counter
2. status register
3. instruction register
4. program status word

7. Having a small amount of internal fragmentation is the weakness of .............. in memory management.

1. Fixed partitioning
2. Simple Paging
3. Virtual memory paging
4. Simple segmentation

8. In .............. , there is a improved memory utilization and reduced overhead compared to dynamic partitioning.

1. Fixed partitioning
2. Simple Paging
3. Virtual memory paging
4. Simple segmentation

9. In .............. , there is a inefficient use of memory due to internal fragmentation.

1. Fixed partitioning
2. Simple Paging
3. Virtual memory paging
4. Simple segmentation

10. In .............. , there is a inefficient use of processor due to the need for compaction to counter external fragmentation.

1. Fixed partitioning
2. Dynamic partitioning
3. Virtual memory paging
4. Simple segmentation

11. In .............. , there is not necessary to load all of the segments of a process and non resident segments that are needed are brought in later automatically.

1. Fixed partitioning
2. Simple Paging
3. Virtual memory segmentation
4. Simple segmentation

12. In .............. technique, each process is divided into a number of segments and process loaded by loading all of its segments into dynamic partitions that need not be contiguous.

1. Fixed partitioning
2. Simple Paging
3. Virtual memory paging
4. Simple segmentation

13. In .............. there is no internal fragmentation and is more efficient use of main memory.

1. Fixed partitioning
2. Dynamic partitioning
3. Virtual memory paging
4. Simple segmentation

14. In almost all modern multi programming systems, principal operation of memory management involves a sophisticated scheme known as ..............

1. memory partitioning
2. virtual memory
3. real memory
4. memory organization

15. Increasing the RAM of a computer typically improves performance because:

1. Virtual memory increases
2. Larger RAMs are faster
3. Fewer page faults occur
4. Fewer segmentation faults occur