What is strong device? ans what is primary and secondary memory?

The data and instruction enter into a computer system through input units have to be strong the computer use its memory is divided into two types-

     i) Primary or main memory 

     ii) Secondary storage

Primary or main memory :-  Main memory of computer is a general types form any types of computer memory other than backing story.

Secondary memory :-   Its contains of a number of  storage locations.     

                                                                 TNX EVERY1   

   

 

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