Explanation:

- Assembler: Converts assembly language code into machine code. It is a type of language translator.

- Linker: ?? Not a language translator. It combines different object files into a single executable file, but doesn't translate code from one language to another.

- Interpreter: Translates high-level language code into machine code line-by-line. It is a language translator.

- Compiler: Translates entire high-level language code into machine code at once. Also a language translator.

Correct Answer:

- Option 2: Linker ??