In a paged virtual memory system, an access to a page (block) of memory that is not currently mapped to physical memory. When a page fault occurs the operating system either fetches the page in from secondary storage (usually disk) if the access was legitimate or otherwise reports the access as illegal.
- Page in
storage, architecture What a paging system does when it copies part of a task’s working memory from swap space on disk to RAM. [Jargon File] (1995-01-23)
- Page mode
1. See page mode DRAM. 2. An operation mode of video terminals like the IBM 3270, in which the terminal only sends a completed input screen (page) to the host instead of sending each character as the keys are pressed. (1995-03-28)
- Page out
storage, architecture What a paging system does when it copies part of a task’s working memory from RAM to swap space on disk. [Jargon File] (1995-01-23)
noun 1. Computers. a high-speed, high-resolution printer that uses a light source, as a laser beam or electrically charged ions, to print a full page of text or graphics at a time.