What are the advantages of memory management in Operating System?

1.	What are the advantages of memory management in Operating System?
Answer» 1. Allocating memory is easy and cheap 2. Any free page is ok, OS can take first one out of.list it keeps 3. Eliminates external fragmentation 4. Data (page frames) can be scattered all over PM 5. Pages are mapped appropriately anyway 6. Allows demand paging and pre – paging 7. More efficient swapping 8. No need for considerations about fragmentation 9. Just swap out page least likely to be used

Answer»

1. Allocating memory is easy and cheap

2. Any free page is ok, OS can take first one out of.list it keeps

3. Eliminates external fragmentation

4. Data (page frames) can be scattered all over PM

5. Pages are mapped appropriately anyway

6. Allows demand paging and pre – paging

7. More efficient swapping

8. No need for considerations about fragmentation

9. Just swap out page least likely to be used

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