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Which device stores data permanently?

Answer and explanation

Correct answer: SSD

The direct answer is A, SSD. An SSD is a storage device that keeps files even after the computer is switched off. It uses flash memory and has no moving disk parts. Therefore it is suitable for permanent or non-volatile storage of documents, photos, programs and saved data. Option A is correct. Option B, a register, is a very small and very fast storage location inside the processor; it holds immediate working values, not permanent user files. Option C, cache, is fast temporary memory used to speed up access between the processor and memory. Option D, RAM, temporarily holds active programs and data and normally loses its contents when power is removed. The word permanently in this school question means non-volatile storage, not that the device can never fail. Memory trick: saved files go to SSD or another secondary-storage device; current work goes to RAM.

Related tags

Computer BasicsSsdPermanent Storage

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