#The main memory of the computer refers to the memory, which is divided into ROM (read-only memory) and RAM (random access memory).
The main memory is located inside the host computer and is used to store currently running programs and data. It is a temporary memory, also called internal memory, and is divided into random access memory (RAM) and read-only memory. memory (ROM).
Main memory generally uses semiconductor memory. Compared with auxiliary memory, it has the characteristics of small capacity, fast reading and writing speed, and high price. The main memory in the computer is mainly composed of five parts: memory bank, control circuit, address register, data register and address decoding circuit.
Since the 1970s, main memory has gradually been composed of large-scale integrated circuits. The most commonly used and most economical dynamic random access memory chip (DRAM).
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