A program that can translate an assembly language source program into a target program is called an assembler.
Assembler is a translation program that translates a program written in assembly language into an equivalent machine language program. The input of the assembler is a source program written in assembly language, and the output is a target program expressed in machine language.
Assembly language is a machine-oriented language designed for a specific computer or computer series. It consists of assembly execution instructions and assembly pseudo-instructions. Writing programs in assembly language is not as simple and intuitive as high-level programming languages.
However, the compiled target program occupies less memory, has higher operating efficiency, and can directly reference various device resources of the computer. It is usually used to write programs for the core part of the system, or to write program segments that require a lot of running time and require high real-time performance.
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