STORAGE

       A computer can function with only processing memory ,input and out put devices the purpose of storage is to hold data permanently even when the computer is turned off .storage  as an electronic file cabinet and ram as an electronic work table.when you need to work with aprogram or a set of datab .the changes you make to data  while working on it replace the original data in the file cabinet unless you store it in a different place the function of storage and memory are similar they work in different ways these are three major distinctions between storage and memory.

#There is more room in storage than in memory

#Contents are retained in storage when the computer is turned off where as program the data in memory disappear when you shut down the computer.

#Storage device operate much slower than memory chip but storage is much cheaper then memory.