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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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paging查看　paging　在百度字典中的解释百度英翻中〔查看〕
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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 into the main memory (RAM) The main idea behind paging is to break a program into smaller fixed-size blocks called pages Process does not have to be allocated in a contiguous memory space
  • Paging in Operating Systems: What it Is How it Works
    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
    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
  • Paging in Operating System: What is it and How it works
    Paging is a memory management method that divides both the main memory and processes into fixed-size blocks referred to as pages This division is great for the efficient utilization of memory and makes it possible for the non-contiguous allocation of memory with respect to processes
  • Memory paging - Wikipedia
    Paging is an important part of virtual memory implementations in modern operating systems, using secondary storage to let programs exceed the size of available physical memory
  • Paging in Operating System (OS): Definition, Benefits Drawbacks
    Paging is an essential Memory Management method that connects a computer's physical memory to its virtual memory It divides memory into smaller sections called Pages, enabling processes to retrieve necessary data without having to load all of it into RAM simultaneously
  • What Is Paging? - Computer Hope
    Meaning of paging, a memory management technique in computers that optimizes storage access through pages, reducing fragmentation and enabling memory use
  • Paging In Operating System: Complete Explanation
    Ever wondered how computers run programs bigger than their available RAM? Paging makes it possible! It breaks processes into small, fixed-size pages and loads only the needed ones into the memory, improving efficiency and multitasking
  • Performance and Working of Paging - GeeksforGeeks
    Paging provides a way for the operating system to manage the memory used by a process, ensuring that each process has enough memory to run effectively Improved Memory Utilization: By dividing a process's virtual memory into pages, paging allows the operating system to use memory more efficiently





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