+**3ac** (Three-address code) is an [intermediate code](/wiki/Intermediate_Code) used by a [compiler](/wiki/Compiler) to simplify source code into a more machine-like form. Each instruction typically involves at most three addresses (two for operands, one for result), making it a crucial stage for optimization before [machine code](/wiki/Machine_Code) generation.
+## See also
+- [Compiler](/wiki/Compiler)
+- [Intermediate Code](/wiki/Intermediate_Code)
+- [Code Optimization](/wiki/Code_Optimization)
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