The fastest accessed storage is main memory. Main memory is the internal memory that exchanges data directly with the CPU. It can be read and written at any time (except when refreshing), and it is very fast. It is usually used as a temporary data storage medium for the operating system or other running programs.
#The fastest accessed storage is RAM.
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Random Access Memory (English: Random Access Memory, abbreviation: RAM), also called main memory, is directly exchanged with the CPU Internal memory for data. 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. RAM is used in computers and digital systems to temporarily store programs, data, and intermediate results.
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