Difference between computer architecture and computer organization?

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  • Feb 1st, 2007

Computer organization is an organization in which we organize all hardwares into a system where as architecture is explain about the functions of hardware devices

A computer's architecture is its abstract model and is the programmer's view in terms of instructions, addressing modes and registers. A computer's organization expresses the realization of the architecture. Architecture describes what the computer does and organization describes how it does it.

Architecture and organization are independent; you can change the organization of a computer without changing its architecture. For example, a 64-bit architecture can be internally organized as a true 64-bit machine or as a 16-bit machine that uses four cycles to handle 64-bit values.

The difference between architecture and organization is best illustrated by a non-computer example. Is the gear lever in a car part of its architecture or organization? The architecture of a car is simple; it transports you from A to B. The gear lever belongs to the car's organization because it implements the function of a car but is not part of that function (a car does not intrinsically need a gear lever).

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harpinder mahal

  • Oct 22nd, 2011

1.The architecture indicates its hardware whereas the organization reveals its performance.
2.for designing a computer, its architecture is fixed first and then its organization is decided.


  • Apr 6th, 2013

The distinction b/w computer organization and computer architecture

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  • Feb 18th, 2014

computer organization is concerned with the way the hardware components operate and the way they are connected together to form computer system while comp architecture is concerned with the structure and behavior of comp system as seen by the user. It includes information ,formats,instruction set and techniques for addressing memory

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