Storage and memory: What is their relationship?

What is the difference between storage and memory? I know that there is no direct relationship between them.

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Memory and disk storage have a strong relationship, in that they are both forms of storage. Disk storage is also known as external storage, which should not be confused with external disk storage located outside of a server. There are different levels of memory, such as registers in a processor, L1 cache on a processor chip, random-access memory (RAM), read-only memory (ROM), non-volatile RAM (NVRAM) and external magnetic disk and tape storage. External disk storage can also incorporate RAM for use as cache to enhance performance.

This was first published in March 2005

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