What is the difference between computer memory and external memory?

The difference between computer memory and external memory:

Processing speed: memory is fast, external memory is slow.

Storage capacity: small memory, large external memory.

After power failure: the information in RAM is lost, but the information in external memory is not lost.

The essential difference between memory and external memory is that one provides caching and processing functions for internal operation, and can also be understood as a channel for collaborative processing; while external memory is mainly used to store files, pictures, videos, text, etc. The carrier of information can also be understood as storage space.

Memory is one of the important components in the computer. It is the bridge that communicates with the CPU. All programs in the computer run in the memory, so the performance of the memory has a great impact on the computer.

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