3. Differences of Primary and 3. Differences of Primary and secondary storagesecondary storage

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Difference between primary & Difference between primary & secondary storagesecondary storage

Primary - Only large storage media that the Primary - Only large storage media that the CPU can CPU can access directly. access directly.

- Typically high speed relatively - Typically high speed relatively small is often small is often volatile. volatile.

- Sometimes referred to “main - Sometimes referred to “main memory”.memory”.

Secondary - slower than Secondary - slower than primary storageprimary storage

- always has higher - always has higher storage capacitystorage capacity and is and is non-volatilenon-volatile

VolatileVolatile

Volatile – Loses its contains when it Volatile – Loses its contains when it loses power. Non-volatile does not.loses power. Non-volatile does not.