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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asif javed

  • Jun 8th, 2015

Hey guys im confused can anyone provide me the best difference between computer organization and computer architecture
Typing Services

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smith singh khalsa

  • Oct 3rd, 2015

It deals with design aspects of computer that assembly programmer needs to know like instruction set(i.e. instructions supported), instruction format (i.e. how instruction will be specified), addressing modes, data types supported etc.

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  • Oct 7th, 2015

Architecture are those attributes visible to the programmer.
Organization is how features are implemented.
Control signals, interfaces, memory technology

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  • Jan 27th, 2016

Computer architecture is user visible containing instruction set, bytes required to store the input, I/o mechanisms and techniques of addressing mode.

Computer organization includes operational units and their interconnections.

Ex: Computer architecture decides whether there should be a multiply instruction and computer organization decides how to calculate it.

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Raj KUmar

  • May 12th, 2016

Computer Organization: This is implementation of Computer Architecture. It dear with operational feature of computer that how hardware are working by Computer Architecture and helps to programmer understand working model of hardware and enable them coding for accessing different method hardware and interrupt, control signal etc.

Computer Architecture: Deals with operational activity in different parts of hardware. Basically description of processor,buses, Memory etc, ISA of the processor. Data is representing in bits. Assembly language programming is closest to computer architecture.

Example: Designing an algorithm is computer architecture and coding is computer organization.

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