About paging
Paging is process of memory management in which the memory is divided into fixed size pages. It is used for faster access to data. When a new program is start then that program need page to run itself so paging provide a page in the main memory as the OS copies a certain number of pages from your storage device to main memory. Paging allows the physical address space of a process to be non-contiguous memory locations. Paging is to dealing external fragmentation problem. This allow the logical address space of a process to be non-contiguous memory, which makes the process to be allocated physical memory. Pagination is the process of dividing a document into discrete pages, either electronic pages or printed pages. In a word processor pagination is automatically created by creating new pages, to create a new page a page break is inserted into the document.

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