A. a combination of computer hardware
B. a program which translates from high-level language to another
C. a program which translates from one high-level to a machine level
D. None of these

Solution

C. a program which translates from one high-level to a machine level

Explanation

A compiler is translator which translate the high level(user understandable code) to low Level (machine understandable code).

Some programming languages are using the Compiler and some using Interpreter.

C/C++ language uses the Compiler.