Page (computer memory)

A page, memory page, or virtual page is a fixed-length contiguous block of virtual memory, described by a single entry in a page table. It is the smallest unit of data for memory management in an operating system that uses virtual memory. Similarly, a page frame is the smallest fixed-length contiguous block of physical memory into which memory pages are mapped by the operating system.

"Page size" redirects here. For information on paper, see Paper size.
Not to be confused with Bank (computer memory) or Block (computer memory).
Main article: Paging

A transfer of pages between main memory and an auxiliary store, such as a hard disk drive, is referred to as paging or swapping.

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