TERI Assistant Professor Interview Questions and Answers

Macros are used to define constants or functions, while preprocessor directives are used to include or exclude code before compilation.

• Macros are defined using #define directive, while preprocessor directives include #include, #ifdef, #ifndef, etc.

• Macros are used for code replacement, while preprocessor directives are used for conditional compilation.

• Example of macro: #define PI 3.14159

• Example of preprocessor directive