| Aspect | Compiler | Interpreter |
| Function | Translates entire code into machine language before execution | Translates code line-by-line during execution |
| Speed | Faster execution after compilation | Slower due to real-time translation |
| Usage | Used in languages like C, C++ | Used in languages like Python, JavaScript |
| Errors | Errors are found after compilation | Errors are detected during execution |
| Output | Produces standalone executable files | Runs directly from source code |
In summary, a compiler translates the entire program into machine code before execution, resulting in faster runtime and standalone files. An interpreter translates code line-by-line during execution, which can be slower but allows for easier debugging and dynamic execution. Both are essential in different programming environments depending on performance and development needs.