Basic Organization of Computer System

Introduction of Computer

Organization of Computer System 

The creation of a computer is made up of many units and devices called components or components of the computer. All these units and devices work together, so the computer is also called a computer system. Its structure consists of the following units

Fig. Block diagram of computer

(1) Input Untit 

is the device that we input your data or instructions in Computer. There are lots of input diet that computers is directed to the CRU of the computer that he should do? What is the key to the most important input device of keyboard and mouse computer. Apart from this, there is some other important Input Device is follow-up: Joystick, Trackball, Touch Screen etc. The input Device main do the following

Users accept data inputed. 

(B) Converts the data from our language (English) to the computer's understandable language (Machine / Binary).

(C) Binary data is sent to the System Unit for processing.

(2) The System Unit System Unit is also called the CPU is Central Processing Unit. Its Hindi name is the Central Processing Unit. This is the most important part of the computer. Without this the computer system can not be completed. This connects all the computer's Devices like Keyboard, Mouse, Monitor, Printer etc. It is also called Brain of Computer. Its main function is to execute the program (Execute) and to process the data. In addition, the CPU also controls the functions of all sections like Memory, Input, Output Devices. CPU has three parts

(A) ALU 

The full name of Alu Alu is Arithmetic Logic Unit. This unit does not have a variety of actions (add-added, addresses, partners, and logical activities (comparison and decisions). Alu Controls instructions from UNIT. This receives data from memory and returns to the information in memory. After the work of Alu, the speed of the work (Speed) is very fast. This makes it an electronic circuit which is capable of calculating binary arithmetic.

(B) Memory Unit

Keeps the data and instructions in the computer and receives the information you received by Input Device. It is also called the memory of the computer. In other words, the location of the computer is called the memory where all information, the basis and instructions are kept by the store. This main work is to be stored in the values and stores the data being procedures. This memory is an integral part of CPU. It also says the main memory of the computer and the main memory of the computer, internal memory.

(C) Control Units

The full name of the CU is the Control Unit. CU controls and operates the operation of all the hardware of the computer. This controls control the Output actions, as well as directs the exchange of data between Memory and ALU. These programs receive the instructions from the memory to execute the program. Its main function is to obtain order sequentially from memory, interpreting it, and converting to electrical signals and reaching the appropriate Devices.

3) Output Unit 

Output Unit is the device that provides data input by the user as a result. There are lots of Output Device in Computer which present the results of inputted data and processing for us. Monitor and Printer are two most essential output devices. Apart from this, there is something more important Output Device - Speaker, Projector, Touch Screen etc. The Output Devices mainly perform the following functions-

(A) The system accepts results after processing from the unit.

(B) Convert the results from the computer to the understandable language (Machine / Binary) to our language.

(C) Displays the results for us on screen or printed on paper.

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----- Facts -----

Computer Architecture The term computer displays absctract or conceptual model. It explains what the computer can do.