Question

why is memory divided into primary memory and secondary memory ​

Answer 1

Explanation:

KEY DIFFERENCE

Primary memory data is directly accessed by the processing unit whereas Secondary memory data cannot be accessed directly by the processor. Primary memory is costlier than secondary memory whereas Secondary memory is cheaper compared to primary memory.

Answer 2

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$\large{\underline{\underline{\mathfrak{\bf{\orange{KEY DIFFERENCE</p><p></p><p>Primary memory data is directly accessed by the processing unit whereas Secondary memory data cannot be accessed directly by the processor. Primary memory is costlier than secondary memory whereas Secondary memory is cheaper compared to primary memory.}}}}}}}$