Which one of the following is a system software?

If you have been asked to “Which one of the following is a system software?” and you have been given 4 options out of which you have to choose one. For example, the four options could be database program, word processor, spreadsheet, and compiler. So, which one is the correct option? Let us discuss the answer to this question. The correct answer is Compiler. Compiler is a system software. Compiler is a special program that can read a complete source program written in high-level language as a whole in one go and translate it into machine code, bytecode, or another programming language. The primary use of a compiler is to translate source code from a high-level programming language to a lower level language. The source codes are typically written in a high-level languages such as Java or C++. Compiler acts as a smart language processor that can read and translates it into an equivalent program in another programming language.