Basic structure Cpu & Control Unit

CPU: Basic Structure

CPU diagram

There are 3 parts:

• Control Unit, used to control the operation of the CPU and control the computer as a totality.
• Arithmetic Logic Unit (ALU), serves to establish a computer data processing functions.
• Register, serves as an internal storage for the CPU.

Basic Structure of Computers

There are four main structures:

Computer Basic Structure diagram

• Central Processing Unit (CPU), serves as the central control computer operations and processing functions - functions of the computer.
• Main Memory, serves as data storage. 
• I/O, function to move data between the main memory to the external environment or other devices.
• System Interconnection, serves as a system that connects the CPU, main memory and I / O.

Definition of Computer Architecture & Computer Organization

   Computer Architecture is Defined As The Functional Operation Of The Individual H/W(HardWare) Unit In A Computer System And The Flow Of Information Among The Control Of Those Units, in other words definition of computer architecture is a part of the computer system attributes associated with a programmer, Example: instruction sets, arithmetic is used, addressing techniques, mechanisms of I / O.

Desk Computer

   Computer Organization is a part of the operational units and interconnection between components of the computer system in the realization of its architectural aspects, Example: device interface, memory technology, system memory, and control signals.