What is the need of secondary memory ?

1.	What is the need of secondary memory ?
Answer» primary memory is not capable to store data it stores data only for some time so we have to use secondary memory like hard disk etc.to store data.<br>All secondary storage devices which are capable of storing high volume data is referred to secondary memory. It\'s slower than primary memory. However, it can save a substantial amount of data, in the range of gigabytes to terabytes. This memory is also called backup storage or mass storage media.

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