What is Paging in the context of OS

Question

operating system

Answer 1

• Paging is one of the memory management schemes by which a computer stores and retrieves data from the secondary storage for use in main memory.

• In the paging memory-management scheme, the operating system retrieves data from secondary storage in same-size blocks called pages.

• Paging allows the physical address space of the process to be non contiguous.

• Paging is to deal with external fragmentation problem. This is to allow the logical address space of a process to be non-contiguous, which makes the process to be allocated physical memory.

• Logical address space of a process can be non-contiguous; process is allocated physical memory.

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