Logical Address

In computing, a logical address is the address at which an item (memory cell, storage element, network host) appears to reside from the perspective of an executing application program.

A logical address may be different from the physical address due to the operation of an address translator or mapping function. Such mapping functions may be, in the case of a computer memory architecture, a memory management unit (MMU) between the CPU and the memory bus, or an address translation layer, e.g., the Data Link Layer, between the hardware and the internetworking protocols (Internet Protocol) in a computer networking system.

Read more about Logical AddressComputer Memory, An Easier Discussion

Other articles related to "logical address, address":

Logical Address - An Easier Discussion
... Before discuss both types of address lets set some premises ... Physical address - the original address of each bytes of any memory device ... Logical address - A logical address is the address generated by CPU,which is easier to handle and programs assume that they resides at this address,but these logical address only can ...
Protected Mode - Features - Segment Addressing
... In real mode each logical address points directly into physical memory location, every logical address consists of two 16 bit parts The segment part of the logical address contains the base address of a ... a segments may start at physical address 0, 16, 32.. ... The offset part of the logical address contains an offset inside the segment, i.e ...
PIC Microcontroller - Family Core Architectural Differences - PIC24 and DsPIC 16-bit Microcontrollers
... are significant enhancements All registers are 16 bits wide Data address space expanded to 64 Kbytes First 2K is reserved for peripheral control registers ... Jump to PC+2×Wa 0 ... n 0 CALL addr23 Push PC, jump to absolute address —0— 0 ... n 1 ... — (Reserved) 0. 1 ...

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