Question

What is a preprocessor and what are the advantages of preprocessor? what are the facilities provided by preprocessor?

Answer 1

A preprocessor is a language that takes as input a text file written using some programming language syntax and output another text file following the syntax of another programming language.
Advantages of preprocessor are that it makes-
1) the program easier to develop.
2) easier to read.
3) easier to modify.
4) C code more transportable between different machine architecture.
The facilities provided by a preprocessor are given below-
1) File inclusion
2) Substitution facility
3) Conditional compilation.

Answer 2

Answer:

preprocessor is a collection of statement