What is memory used for?

The memory stick is used to write or read information.

Memory (RandomAccessMemory, abbreviation: RAM, also known as: random access memory) is an internal memory that directly exchanges data with the CPU. It is usually used as a temporary data storage for the operating system or other running programs. medium.

When the memory module 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.