Answer / arun sarangi

Hi Silpa,
the above answer is called demand paging.
actually paging is a noncontigeous dynamic memory
management scheme in operating system to support virtual
memory management for eleminating external fragmentation
from the main memory

Answer / shilpa

Paging occurs when an active process requires more memory
than what is accessible in physical memory. Portions of the
process are moved to disk so the physical memory can be
used for something else.

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