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In computing, an address space defines a range of discrete addresses, each of which may correspond to a network host, peripheral device, disk sector, a memory cell or other logical or physical entity. For software programs to save and retrieve stored data, each datum must have an address where it can be located. The number of address spaces available depends on the underlying address structure, which is usually limited by the computer architecture being used. Often an address space in a system with virtual memory corresponds to a highest level translation table, e.g., a segment table in IBM System/370.

Attributes	Values
rdfs:label	Address space (en)
rdfs:comment	In computing, an address space defines a range of discrete addresses, each of which may correspond to a network host, peripheral device, disk sector, a memory cell or other logical or physical entity. For software programs to save and retrieve stored data, each datum must have an address where it can be located. The number of address spaces available depends on the underlying address structure, which is usually limited by the computer architecture being used. Often an address space in a system with virtual memory corresponds to a highest level translation table, e.g., a segment table in IBM System/370. (en)
sameAs	Address space
dbp:wikiPageUsesTemplate	dbt:Reflist
Subject	Computer architecture Computing terminology Data management
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prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Address_space?oldid=1062996716&ns=0
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page length (characters) of wiki page	5165 (xsd:nonNegativeInteger)
Wikipage revision ID	1062996716 (xsd:integer)
Link from a Wikipage to another Wikipage	Local area network Logical block addressing Logical disk Addition Address Address Resolution Protocol Addressability Arborescence (graph theory) Array data structure Volume (computing) CPU cache Computer architecture Computing terminology Data management Directory structure Disk controller Disk read-and-write head Disk sector Disk storage Domain Name System Namespace Page (computer memory) Physical address Cylinder-head-sector Host (network) Link layer Computer architecture Computer data storage Computer network Computer program Computing Parallel ATA Virtual address space Virtual memory Virtualization File system Filename Flat memory model IBM System/370 IP address Peripheral Expansion card Inet (disambiguation) Internet Assigned Numbers Authority Interval (mathematics) Map (mathematics) Track (disk drive) URL Total order Memory-mapped I/O Memory address Memory paging Memory segmentation Mathematical structure Nat Video RAM (dual-ported DRAM)
has abstract	In computing, an address space defines a range of discrete addresses, each of which may correspond to a network host, peripheral device, disk sector, a memory cell or other logical or physical entity. For software programs to save and retrieve stored data, each datum must have an address where it can be located. The number of address spaces available depends on the underlying address structure, which is usually limited by the computer architecture being used. Often an address space in a system with virtual memory corresponds to a highest level translation table, e.g., a segment table in IBM System/370. Address spaces are created by combining enough uniquely identified qualifiers to make an address unambiguous within the address space. For a person's physical address, the address space would be a combination of locations, such as a neighborhood, town, city, or country. Some elements of a data address space may be the same, but if any element in the address is different, addresses in said space will reference different entities. For example, there could be multiple buildings at the same address of "32 Main Street" but in different towns, demonstrating that different towns have different, although similarly arranged, street address spaces. An address space usually provides (or allows) a partitioning to several regions according to the mathematical structure it has. In the case of total order, as for memory addresses, these are simply chunks. Like the hierarchical design of postal addresses, some nested domain hierarchies appear as a directed ordered tree, such as with the Domain Name System or a directory structure. In the Internet, the Internet Assigned Numbers Authority (IANA) allocates ranges of IP addresses to various registries so each can manage their parts of the global Internet address space. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Address_space
is Wikipage redirect of	Adress space Address (computing) Address range Addressing
is Link from a Wikipage to another Wikipage of	Fork (system call) Local Inter-Process Communication Logical partition Null pointer OS/VS2 (SVS) OSv 32-bit computing 4,294,967,295 64-bit computing 78K 8-bit computing A20 line AMPRNet ARM architecture family AVR microcontrollers Access register Adder (electronics) Address (disambiguation) Address space layout randomization Adress space Amiga 500 Anycast

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