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Matters needing attention
Computers cannot directly identify, understand and execute source programs other than machine language, and all of them must be converted into directly executable programs by computers in some way. There are two ways to convert a source program written in a high-level programming language into a machine object program: interpretation and compilation.
In the interpretation mode, the computer interprets and executes the source program written in a high-level language, and cannot form the target file and the execution file.
In the compiling mode, the source program is first processed by the compiler corresponding to the programming language used, and the processed source program is converted into the target program represented by binary code through lexical analysis, syntax analysis, semantic analysis, code generation and code optimization.