Compiler design exercises and solutions

What is preprocessor in compiler design?

In computer science, a preprocessor (or precompiler) is a program that processes its input data to produce output that is used as input in another program.
The output is said to be a preprocessed form of the input data, which is often used by some subsequent programs like compilers..

Why is compiler design important to students?

The 6 phases of a compiler are:

Why is learning compilers important?

A competent computer professional knows about high-level programming and hardware.
A compiler connects the two.
Therefore, understanding compilation techniques is essential for understanding how programming languages and computers hang together..