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paging    音标拼音: [p'edʒɪŋ]
分页,页面调度

分页,页面调度

paging
分页;页次;换页;编页;页面调度;分页(法)

paging
分页 调页

paging
n 1: calling out the name of a person (especially by a
loudspeaker system); "the public address system in the
hospital was used for paging"
2: the system of numbering pages [synonym: {pagination}, {folio},
{page number}, {paging}]

Page \Page\, v. t. [imp. & p. p. {Paged} (p[=a]jd); p. pr. & vb.
n. {Paging} (p[=a]"j[i^]ng).]
To mark or number the pages of, as a book or manuscript; to
furnish with folios.
[1913 Webster]


Paging \Pa"ging\, n.
The marking or numbering of the pages of a book.
[1913 Webster]

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}.

(1996-11-22)


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英文字典中文字典相关资料:


  • Paging in Operating System - GeeksforGeeks
    Paging is the process of moving parts of a program, called pages, from secondary storage (like a hard drive) into the main memory (RAM) The main idea behind paging is to break a program into smaller fixed-size blocks called pages
  • UAB Paging - Login
    Advanced Paging All users may login utilizing Advanced Paging login or Blazer ID credentials Services are available to registered users of this website and include Group Paging and Schedule Paging Group Paging enables users to send the same message to more than one pager at the same time
  • Paging in Operating Systems: What it Is How it Works - phoenixNAP
    Paging is a memory management technique in operating systems that enables processes to access more memory than is physically available The system improves performance and resource utilization and reduces the risk of page faults This method is also known as swapping in Unix-like systems
  • Paging in Operating System (OS): What is, Advantages, Example - Guru99
    What is Paging in OS? Paging is a storage mechanism that allows OS to retrieve processes from the secondary storage into the main memory in the form of pages In the Paging method, the main memory is divided into small fixed-size blocks of physical memory, which is called frames
  • Memory paging - Wikipedia
    A paging system makes efficient decisions on which memory to relegate to secondary storage, leading to the best use of the installed RAM In addition the operating system may provide services to programs that envision a larger memory, such as files that can grow beyond the limit of installed RAM
  • What is paging? - IBM
    This movement of pages between auxiliary storage slots and central storage frames is called paging Paging is key to understanding the use of virtual storage in z OS z OS paging is transparent to the user During job execution, only those pieces of the application that are required are brought in, or paged in, to central storage The pages
  • What is Paging in the OS? - BYJUS
    What is Paging in the OS? Paging is a storage mechanism used in OS to retrieve processes from secondary storage to the main memory as pages The primary concept behind paging is to break each process into individual pages Thus the primary memory would also be separated into frames
  • What is Paging - Online Tutorials Library
    Paging is a storage structure that enables the operating framework to fetch processes from the secondary storage into the main memory in the form of pages In the Paging method, the main memory is split into small fixed-size blocks of physical memory, which is known as frames
  • Paging in OS - Scaler Topics
    Paging is a technique that divides memory into fixed-sized blocks The main memory is divided into blocks known as Frames and the logical memory is divided into blocks known as Pages Paging requires extra time for the address conversion, so we use a special hardware cache memory known as TLB
  • What Is Paging In OS?
    What is Paging in OS? The operating system employs paging, a storage technique, to retrieve processes in the form of pages from secondary storage and position them within primary memory The foundational concept underlying paging revolves around partitioning each process into distinct pages





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