What is the memory that stores data lost after shutdown?

#The memory that stores data lost after shutting down is RAM, which is random access memory, also called main memory.

Random access memory is an internal memory that exchanges data directly with the CPU. It can be read and written at any time (except when refreshing), is very fast, and is often used as a temporary data storage medium for the operating system or other running programs.

When RAM is working, information can be written (stored) or read (retrieved) from any specified address at any time. The biggest difference between it and ROM is the volatility of data, that is, the stored data will be lost once the power is turned off.

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