working process of the computer

*working process of the computer:-
computer system
Introduction:-
     A system is a group of intergrated parts that have the comman goal.Computer system is a combination of number of physical parts which are arranged in such a way that they achieve a comman objective.Computer system can be divided into number of sub systems which can work individually.But,each sub-system must work together to performs the full task of a computer 
     The comman sub-systems in a computer system are input unit,processing unit,output unit and storage unit.These components are called sub-systems because,server other smaller components are involved in building up each of these units.
     Computer system is a combination of input unit,processing unit, output and storage unit,which work in co-ordination with each other so as to form the single fuctional computer  
 

*1)input device:-it is taken all matters from the operator and the grouping of the device which is taking  the  message and put it under the computer and display the result  according to required the
 message to the user.
Example:- keyboard,mouse,scanner,wave camera etc.