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This article mainly explains "what are the components of the main memory of the server". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. let's study and learn what are the components of the main memory of the server.

Main memory is an important part of computer hardware, which is mainly composed of memory bank, control circuit, address register, data register and address decoding circuit. Its function is to store instructions and data, and can be directly randomly accessed by the central processing unit (CPU).

The operating environment of this tutorial: windows7 system, Dell G3 computer.

Main memory (Main memory), referred to as main memory. Is an important part of computer hardware, its function is to store instructions and data, and can be directly randomly accessed by the central processing unit (CPU).

The main memory stores information by address, and the access speed is generally independent of the address. A 32-bit address can best express the memory address of a 4GB. This is enough for most applications, but it is not enough for some applications with large amount of computation and very large databases, which puts forward the demand for 64-bit structure.

The main memory generally uses semiconductor memory, which has the characteristics of small capacity, fast reading and writing speed and high price compared with auxiliary memory. The main memory in the computer is mainly composed of memory bank, control circuit, address register, data register and address decoding circuit.

Main memory generally refers to ROM and RAM.

Random access memory (RAM) can both store and read information from the designated unit. Any information stored in the RAM will be lost after a power outage, so the RAM is volatile memory.

Read-only memory (ROM) operates in a non-destructive readout mode and can only read out information that cannot be written. Once the information is written, it is fixed, and even if the power is cut off, the information will not be lost, so it is also called fixed memory. The data stored in ROM is usually written before loading into the whole machine, and can only be read out during the working process of the whole machine, unlike random access memory (RAM), which can quickly and easily rewrite the storage content. The data stored in ROM is stable, and the data stored after power outage will not change, and the structure is simple and easy to use, so it is often used to store a variety of fixed programs and data.

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