Basic computer components pdf

What is component of computer system.

I. Input unit.

It is responsible for taking input for the computer. The input devices attached to the computer system make the input unit. 

  II. Output unit. It is responsible for producing output. The output devices attached to the computer system make the output unit. 

  III. Central processing unit (CPU). It is responsible for processing the data and instructions. It comprises of two parts: 

 a. Arithmetic and Logic Unit (ALU). It is responsible for carrying out the arithmetic instruction (add, subtract, multiply, divide) and making logic decision (greater than, less than, equal to). 

 b. Control Unit. It is responsible for controlling and supervising the processing. 

  IV. Primary Memory. It is the internal volatile memory where data and instructions are stored during processing. 

  V. Secondary Storage Unit. It refers to the external storage devices which provide permanent memory to the computer system.

Click here for download PDF Basic Computer Components