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Answer:
Primary memory is directly accessible by Processor/CPU. Secondary memory is not directly accessible by the CPU. ... The memory devices used for primary memory are semiconductor memories. The secondary memory devices are magnetic and optical memories
It depends on what you’d need it for.
> Portable Storage <
- Good for traveling.
- Good for porting stuff from a device to another device.
> Internal Storage <
- Better if you are using it for one device.
- Increase device storage.