linear address - определение. Что такое linear address
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Что (кто) такое linear address - определение

ADDRESSING PARADIGM MODELING MEMORY AS ONE CONTIGUOUS ADDRESS SPACE
Linear address; Linear address space; Linear addressing; Flat address space
Найдено результатов: 1332
linear address space         
A memory addressing scheme used in processors where the whole memory can be accessed using a single address that fits in a single register or instruction. This contrasts with a segmented memory architecture, such as that used on the Intel 8086, where an address is given by an offset from a base address held in one of the "segment registers". Linear addressing greatly simplifies programming at the {assembly language} level but requires more instruction word bits to be allocated for an address. (1995-02-16)
flat address space         
<architecture> The memory architecture in which any memory location can be selected from a single contiguous block by a single integer offset. Almost all popular processors have a flat address space, but the Intel x86 family has a segmented address space. A flat address space greatly simplifies programming because of the simple correspondence between addresses (pointers) and integers. (1996-09-10)
linear map         
  • The function f:\R^2 \to \R^2 with f(x, y) = (2x, y) is a linear map. This function scales the x component of a vector by the factor 2.
  • The function f(x, y) = (2x, y) is additive: It doesn't matter whether vectors are first added and then mapped or whether they are mapped and finally added: f(\mathbf a + \mathbf b) = f(\mathbf a) + f(\mathbf b)
  • The function f(x, y) = (2x, y) is homogeneous: It doesn't matter whether a vector is first scaled and then mapped or first mapped and then scaled: f(\lambda \mathbf a) = \lambda f(\mathbf a)
MAPPING THAT PRESERVES THE OPERATIONS OF ADDITION AND SCALAR MULTIPLICATION
Linear operator; Linear mapping; Linear transformations; Linear operators; Linear transform; Linear maps; Linear isomorphism; Linear isomorphic; Linear Transformation; Linear Transformations; Linear Operator; Homogeneous linear transformation; User:The Uber Ninja/X3; Linear transformation; Bijective linear map; Nonlinear operator; Linear Schrödinger Operator; Vector space homomorphism; Vector space isomorphism; Linear extension of a function; Linear extension (linear algebra); Extend by linearity; Linear endomorphism
<mathematics> (Or "linear transformation") A function from a vector space to a vector space which respects the additive and multiplicative structures of the two: that is, for any two vectors, u, v, in the source vector space and any scalar, k, in the field over which it is a vector space, a linear map f satisfies f(u+kv) = f(u) + kf(v). (1996-09-30)
Linear map         
  • The function f:\R^2 \to \R^2 with f(x, y) = (2x, y) is a linear map. This function scales the x component of a vector by the factor 2.
  • The function f(x, y) = (2x, y) is additive: It doesn't matter whether vectors are first added and then mapped or whether they are mapped and finally added: f(\mathbf a + \mathbf b) = f(\mathbf a) + f(\mathbf b)
  • The function f(x, y) = (2x, y) is homogeneous: It doesn't matter whether a vector is first scaled and then mapped or first mapped and then scaled: f(\lambda \mathbf a) = \lambda f(\mathbf a)
MAPPING THAT PRESERVES THE OPERATIONS OF ADDITION AND SCALAR MULTIPLICATION
Linear operator; Linear mapping; Linear transformations; Linear operators; Linear transform; Linear maps; Linear isomorphism; Linear isomorphic; Linear Transformation; Linear Transformations; Linear Operator; Homogeneous linear transformation; User:The Uber Ninja/X3; Linear transformation; Bijective linear map; Nonlinear operator; Linear Schrödinger Operator; Vector space homomorphism; Vector space isomorphism; Linear extension of a function; Linear extension (linear algebra); Extend by linearity; Linear endomorphism
In mathematics, and more specifically in linear algebra, a linear map (also called a linear mapping, linear transformation, vector space homomorphism, or in some contexts linear function) is a mapping V \to W between two vector spaces that preserves the operations of vector addition and scalar multiplication. The same names and the same definition are also used for the more general case of modules over a ring; see Module homomorphism.
linear transformation         
  • The function f:\R^2 \to \R^2 with f(x, y) = (2x, y) is a linear map. This function scales the x component of a vector by the factor 2.
  • The function f(x, y) = (2x, y) is additive: It doesn't matter whether vectors are first added and then mapped or whether they are mapped and finally added: f(\mathbf a + \mathbf b) = f(\mathbf a) + f(\mathbf b)
  • The function f(x, y) = (2x, y) is homogeneous: It doesn't matter whether a vector is first scaled and then mapped or first mapped and then scaled: f(\lambda \mathbf a) = \lambda f(\mathbf a)
MAPPING THAT PRESERVES THE OPERATIONS OF ADDITION AND SCALAR MULTIPLICATION
Linear operator; Linear mapping; Linear transformations; Linear operators; Linear transform; Linear maps; Linear isomorphism; Linear isomorphic; Linear Transformation; Linear Transformations; Linear Operator; Homogeneous linear transformation; User:The Uber Ninja/X3; Linear transformation; Bijective linear map; Nonlinear operator; Linear Schrödinger Operator; Vector space homomorphism; Vector space isomorphism; Linear extension of a function; Linear extension (linear algebra); Extend by linearity; Linear endomorphism
addresses         
  • 50px
  • James Fitton]] (1958)
COLLECTION OF INFORMATION THAT DESCRIBES THE LOCATION OF A BUILDING, APARTMENT, OR OTHER STRUCTURE
Address (geographical); Adress; Street address; Address (geography); Postal address; Mailing address format by country; Addresses; Mail address; Mailing address; Post adress; Addresse; Postal Addresse; Postal addresse; Post address; Postal addresses in the United Kingdom; Postal address (United States); United Kingdom postal addresses; Addresses in the UK; Address conventions by country; Addresses in Palau; Addess; Address (geography; Address format; Home address; Postal addresses in the netherlands; US address
archaic courteous or amorous approaches.
address resolution         
WIKIMEDIA DISAMBIGUATION PAGE
Address resolution; Address Resolution; Address translation (disambiguation)
<networking> Conversion of an Internet address into the corresponding physical address (Ethernet address). This is usually done using Address Resolution Protocol. The resolver is a library routine and a set of processes which converts hostnames into Internet addresses, though this process in not usually referred to as resolution. See DNS. (1996-04-09)
Address         
  • 50px
  • James Fitton]] (1958)
COLLECTION OF INFORMATION THAT DESCRIBES THE LOCATION OF A BUILDING, APARTMENT, OR OTHER STRUCTURE
Address (geographical); Adress; Street address; Address (geography); Postal address; Mailing address format by country; Addresses; Mail address; Mailing address; Post adress; Addresse; Postal Addresse; Postal addresse; Post address; Postal addresses in the United Kingdom; Postal address (United States); United Kingdom postal addresses; Addresses in the UK; Address conventions by country; Addresses in Palau; Addess; Address (geography; Address format; Home address; Postal addresses in the netherlands; US address
·vi To direct speech.
II. Address ·vi To prepare one's self.
III. Address ·v To prepare or make ready.
IV. Address ·vt Act of preparing one's self.
V. Address ·vt Attention in the way one's addresses to a lady.
VI. Address ·v To clothe or array; to Dress.
VII. Address ·vt Skill; skillful management; dexterity; adroitness.
VIII. Address ·v To Aim; to Direct.
IX. Address ·vt Act of addressing one's self to a person; verbal application.
X. Address ·vt Manner of speaking to another; delivery; as, a man of pleasing or insinuating address.
XI. Address ·v To make suit to as a lover; to Court; to Woo.
XII. Address ·v To direct in writing, as a letter; to superscribe, or to direct and transmit; as, he addressed a letter.
XIII. Address ·v To direct, as words (to any one or any thing); to make, as a speech, petition, ·etc. (to any one, an audience).
XIV. Address ·vt Direction or superscription of a letter, or the name, title, and place of residence of the person addressed.
XV. Address ·v Reflexively: To prepare one's self; to apply one's skill or energies (to some object); to Betake.
XVI. Address ·v To consign or intrust to the care of another, as agent or factor; as, the ship was addressed to a merchant in Baltimore.
XVII. Address ·v To direct speech to; to make a communication to, whether spoken or written; to apply to by words, as by a speech, petition, ·etc., to speak to; to Accost.
XVIII. Address ·vt A formal communication, either written or spoken; a discourse; a speech; a formal application to any one; a petition; a formal statement on some subject or special occasion; as, an address of thanks, an address to the voters.
MAC address         
  • The structure of a 48-bit MAC address. The b0 bit distinguishes [[multicast]] and [[unicast]] addressing and the b1 bit distinguishes universal and locally administered addressing.
  • Label of a [[UMTS]] router with MAC addresses for [[LAN]] and [[WLAN]] modules
UNIQUE IDENTIFIER ASSIGNED TO NETWORK INTERFACES FOR COMMUNICATIONS ON THE PHYSICAL NETWORK SEGMENT
Burned-in address; Locally Administered Address; Univerally Administered Address; MAC-48; EUI-48; EUI-64; Mac address; MAC Address; Ethernet address; MAC-address; EUI64; MAC addresses; Media access control address; Mac Address; Ethernet Hardware Address; Extended Unique Identifier; Hw address; Burned-in addresses; Burned-In Address; Hardware address; Hardware Address; Media Access Control address; Locally administered address
The hardware address of a device connected to a shared network medium. See also Media Access Control.
address         
  • 50px
  • James Fitton]] (1958)
COLLECTION OF INFORMATION THAT DESCRIBES THE LOCATION OF A BUILDING, APARTMENT, OR OTHER STRUCTURE
Address (geographical); Adress; Street address; Address (geography); Postal address; Mailing address format by country; Addresses; Mail address; Mailing address; Post adress; Addresse; Postal Addresse; Postal addresse; Post address; Postal addresses in the United Kingdom; Postal address (United States); United Kingdom postal addresses; Addresses in the UK; Address conventions by country; Addresses in Palau; Addess; Address (geography; Address format; Home address; Postal addresses in the netherlands; US address
1. <networking> e-mail address. 2. <networking> IP address. 3. <networking> MAC address. 4. <storage, programming> An unsigned integer used to select one fundamental element of storage, usually known as a word from a computer's main memory or other storage device. The CPU outputs addresses on its address bus which may be connected to an address decoder, cache controller, {memory management unit}, and other devices. While from a hardware point of view an address is indeed an integer most strongly typed programming languages disallow mixing integers and addresses, and indeed addresses of different data types. This is a fine example for {syntactic salt}: the compiler could work without it but makes writing bad programs more difficult. (1997-07-01)

Википедия

Flat memory model

Flat memory model or linear memory model refers to a memory addressing paradigm in which "memory appears to the program as a single contiguous address space." The CPU can directly (and linearly) address all of the available memory locations without having to resort to any sort of memory segmentation or paging schemes.

Memory management and address translation can still be implemented on top of a flat memory model in order to facilitate the operating system's functionality, resource protection, multitasking or to increase the memory capacity beyond the limits imposed by the processor's physical address space, but the key feature of a flat memory model is that the entire memory space is linear, sequential and contiguous.

In a simple controller, or in a single tasking embedded application, where memory management is not needed nor desirable, the flat memory model is the most appropriate, because it provides the simplest interface from the programmer's point of view, with direct access to all memory locations and minimum design complexity.

In a general purpose computer system, which requires multitasking, resource allocation, and protection, the flat memory system must be augmented by some memory management scheme, which is typically implemented through a combination of dedicated hardware (inside or outside the CPU) and software built into the operating system. The flat memory model (at the physical addressing level) still provides the greatest flexibility for implementing this type of memory management.

The majority of processor architectures implement a flat memory design, including all early 8-bit processors, the Motorola 68000 series, etc. One exception was the original 8086, Intel's first 16-bit microprocessor, which implemented a crude segmented memory model which allowed access to more than 64 KiB of memory without the cost of extending all addresses to more than 16-bits.