noun Computers.
a technique of storage management that transfers pages from secondary storage to main storage when they are required, and returns them to secondary storage when they are not. Compare page1 ( def 6a ).

1965–70; page1 + -ing1 Unabridged


1 [peyj]
one side of a leaf of something printed or written, as a book, manuscript, or letter.
the entire leaf of such a printed or written thing: He tore out one of the pages.
a single sheet of paper for writing.
a noteworthy or distinctive event or period: a reign that formed a gloomy page in English history.
Printing. the type set and arranged for a page.
a relatively small block of main or secondary storage, up to about 1024 words.
a block of program instructions or data stored in main or secondary storage.
(in word processing) a portion of a document.
verb (used with object), paged, paging.
to turn pages (usually followed by through ): to page through a book looking for a specific passage.
on the same page, Informal. (of two or more people) having a similar understanding or way of thinking: Parents should be on the same page about raising their children.

1580–90; < Middle French < Latin pāgina column of writing, akin to pangere to fix, make fast


2 [peyj]
a boy servant or attendant.
a youth in attendance on a person of rank or, in medieval times, a youth being trained for knighthood.
an attendant or employee, usually in uniform, who carries messages, ushers guests, runs errands, etc.
a person employed by a legislature to carry messages and run errands for the members, as in the U.S. Congress.
verb (used with object), paged, paging.
to summon formally by calling out the name of repeatedly: He had his father paged in the hotel lobby.
to summon or alert by electronic pager.
to control (an electrical appliance, machine, etc.) remotely by means of an electronic signal.
to attend as a page.

1250–1300; Middle English (noun) < Old French < ? Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
page1 (peɪdʒ)
n , pp
1.  p one side of one of the leaves of a book, newspaper, letter, etc or the written or printed matter it bears
2.  such a leaf considered as a unit: insert a new page
3.  a screenful of information from a website, teletext service, etc, displayed on a television monitor or visual display unit
4.  an episode, phase, or period: a glorious page in the revolution
5.  printing the type as set up for printing a page
vb (foll by through)
6.  another word for paginate
7.  to look through (a book, report, etc); leaf through
[C15: via Old French from Latin pāgina]

page2 (peɪdʒ)
1.  a boy employed to run errands, carry messages, etc, for the guests in a hotel, club, etc
2.  a youth in attendance at official functions or ceremonies, esp weddings
3.  medieval history
 a.  a boy in training for knighthood in personal attendance on a knight
 b.  a youth in the personal service of a person of rank, esp in a royal household: page of the chamber
4.  (in the US) an attendant at Congress or other legislative body
5.  (Canadian) a person employed in the debating chamber of the House of Commons, the Senate, or a legislative assembly to carry messages for members
6.  to call out the name of (a person), esp by a loudspeaker system, so as to give him a message
7.  to call (a person) by an electronic device, such as a pager
8.  to act as a page to or attend as a page
[C13: via Old French from Italian paggio, probably from Greek paidion boy, from pais child]

Page (peɪdʒ)
1.  Sir Earle (Christmas Grafton). 1880--1961, Australian statesman; co-leader, with S. M. Bruce, of the federal government of Australia (1923--29)
2.  Sir Frederick Handley. 1885--1962, English pioneer in the design and manufacture of aircraft

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

"sheet of paper," 1589 (earlier pagne, 12c., directly from O.Fr.), from M.Fr. page, from O.Fr. pagine, from L. pagina "page, strip of papyrus fastened to others," related to pagella "small page," from pangere "to fasten," from PIE base *pag- "to fix" (see pact). Usually said
to be from the notion of individual sheets of paper "fastened" into a book. Ayto offers an alternative theory: vines fastened by stakes and formed into a trellis, which led to sense of "columns of writing on a scroll." When books replaced scrolls, the word continued to be used. Page-turner "book that one can't put down" is from 1974.

"youth, lad, boy of the lower orders," c.1300, originally also "youth preparing to be a knight," from O.Fr. page, possibly via It. paggio, from M.L. pagius "servant," perhaps ult. from Gk. paidion "boy, lad," dim. of pais (gen. paidos) "child;" but some sources consider this unlikely and suggest instead
L. pagus "countryside," in sense of "boy from the rural regions" (see pagan). Meaning "youth employed as a personal attendant to a person of rank" is first recorded c.1460; this was transf. from late 18c. to boys who did personal errands in hotels, clubs, etc., also in U.S. legislatures. The verb (1904) is from the notion of "to send a page after" someone. Pager "device that emits a signal when activated by a telephone call" is first attested 1968.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

paging definition

operating system
A technique for increasing the memory space available by moving infrequently-used parts of a program's working memory from RAM to a secondary storage medium, usually hard {disk. The unit of transfer is called a page.
A memory management unit (MMU) monitors accesses to memory and splits each address into a page number (the most significant bits) and an offset within that page (the lower bits). It then looks up the page number in its page table. The page may be marked as paged in or paged out. If it is paged in then the memory access can proceed after translating the virtual address to a physical address. If the requested page is paged out then space must be made for it by paging out some other page, i.e. copying it to disk. The requested page is then located on the area of the disk allocated for "swap space" and is read back into RAM. The page table is updated to indicate that the page is paged in and its physical address recorded.
The MMU also records whether a page has been modified since it was last paged in. If it has not been modified then there is no need to copy it back to disk and the space can be reused immediately.
Paging allows the total memory requirements of all running tasks (possibly just one) to exceed the amount of physical memory, whereas swapping simply allows multiple processes to run concurrently, so long as each process on its own fits within physical memory.
The Free On-line Dictionary of Computing, © Denis Howe 2010
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American Heritage
Abbreviations & Acronyms
polyacrylamide gel electrophoresis
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
We have tea together, paging through the field guide for a good half hour
  before anyone else appears.
The technology mimics paging systems that are already used at hospitals and
  fire stations.
Before introducing them the hospital often relied on a noisy public paging
  system to send messages to nurses and other staff.
Before introducing them the hospital often relied on a noisy public paging
  system to send messages to nurses and other.
Related Words
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