What is the difference between Swapping and Paging?
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Answer Posted / kingmaker
Swapping:
Whole process is moved from the swap device to the main
memory for execution. Process size must be less than or
equal to the available main memory. It is easier to
implementation and overhead to the system. Swapping systems
does not handle the memory more flexibly as compared to the
paging systems.
Paging:
Only the required memory pages are moved to main memory
from the swap device for execution. Process size does not
matter. Gives the concept of the virtual memory.
It provides greater flexibility in mapping the virtual
address space into the physical memory of the machine.
Allows more number of processes to fit in the main memory
simultaneously. Allows the greater process size than the
available physical memory. Demand paging systems handle the
memory more flexibly.
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