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Which of the following processes the source code before it goes to the compiler?

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Which of the following processes the source code before it goes to the compiler?

(a) compiler

(b) simulator

(c) pre-processor

(d) emulator

I have been asked this question in semester exam.

My question is from The Compilation Process in portion Writing Software for Embedded Systems of Embedded Systems

1 Answer

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Best answer
Right answer is (c) pre-processor

The best explanation: The pre-processor is responsible for processing the source code before it goes to the compiler and this in turn allows the programmer to define variable types, constants, and much other information.

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