Darius is developing a control system. He chooses to write the hardware interface directly in ..... language, which has a one-to-one correspondence with CPU instructions. This code is translated into machine code using an ..... .

For the high-level application layer, he wants to write code that is easy for humans to read and maintain. During development, he uses an ..... because it executes code line-by-line, which is highly beneficial for ..... . Once development is complete, he translates the entire codebase using a ..... to produce a standalone executable file.