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This article mainly introduces the process of converting assembly language source program into equivalent target program in computer. It is very detailed and has certain reference value. Friends who are interested must finish reading it.

The process of converting an assembly language source program into an equivalent object program is called assembly, which is made up of machine code equivalent by a language processor (assembler, compiler, interpreter) that processes (assembler, compile, interpret) the source program.

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

The process of converting an assembly language source program into an equivalent object program is called assembly.

Assembly language, the second generation computer language, replaces a specific instruction with letters and words that are easy to understand and remember, such as "ADD" for logical addition and subtraction of numbers, "MOV" for data transmission, and so on. In this way, it is easy for people to read the completed program or understand the functions the program is performing. The bug repair and operation and maintenance of existing programs have become more simple and convenient. But the computer hardware does not recognize alphabetic symbols, so a special program is needed to turn these characters into binary numbers that the computer can recognize. Because the assembly language only compiles the machine language simply, it does not fundamentally solve the specificity of the machine language, so the assembly language is closely related to the machine's own programming environment, and it is difficult to popularize and transplant. however, it still maintains the excellent execution efficiency of the machine language, because of its readability and simplicity, assembly language is still one of the commonly used programming languages. [2] Assembly language is not widely used in programming like most other programming languages. In today's practical applications, it is usually used in low-level, hardware operation and demanding program optimization. Drivers, embedded operating systems and real-time running programs all need assembly language.

The target program (pinyin: Object Program biography o ch é n target x programs) is also called "target program".

For a collection of machine code that the source program is compiled and directly run by the computer, the computer file uses .obj as the extension-the language processor (assembler, compiler, interpreter) processes the source program (assembler, compiler, interpreter) into an equivalent program composed of machine code that the computer can run directly, which is called the target program.

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