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This article mainly introduces how computer programs and data are stored in memory, which has a certain reference value. Interested friends can refer to it. I hope you will gain a lot after reading this article. Let's take a look at it.

Programs and data are stored in a "binary" format in memory, and the location is determined by the address. The carrier of the storage unit in the memory is called the memory bank, and each unit in the memory can store a string of information represented by the binary code, and the total number of digits of the information is called the word length of a memory cell.

Data and programs are stored in memory in the form of binary code, and the location is determined by the address.

A memory is a collection of many memory cells, arranged in order of cell numbers. Each cell consists of several ternary bits to represent the values stored in the memory cell, this structure is very similar to the structure of the array, so in the VHDL language, the memory is usually described by the array.

Memory is a memory unit used to store programs and all kinds of data information. Memory can be divided into two categories: main memory (main memory or memory for short) and auxiliary memory (secondary memory or external memory for short). It is the main memory that exchanges information directly with CPU.

The working mode of the main memory is to store or read all kinds of information according to the address of the storage unit, which is collectively called access memory. The carrier of the storage unit in the main memory is called the memory bank, and each unit in the memory can store a string of information represented by the binary code, and the total number of digits of this information is called the word length of a memory cell. The address of the storage unit corresponds to the information stored in it one by one, there is only one unit address, which is fixed, and the information stored in it can be replaced.

The binary code that indicates each unit is called an address code. When looking for a unit, give its address code first. The register that temporarily stores this address code is called the memory address register (MAR). A memory data register (MDR) is also provided for storing information taken from the memory unit of the main memory or information to be stored in a memory unit.

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