Q. When pre cleaning policy is applied inmemory management (Solved)
1. A page is written out to secondary memory only when it has been selected for replacement.
2. Modified pages are written before their page frames are needed so that can be written out in batches.
3. A and B both true.
4. None of these.
- b. Modified pages are written before their page frames are needed so that can be written out in batches.