C Preprocessor

A header file contains macros, structure declaration and function prototypes.

A:

True

B:

False

C:

D:

Answer: A

True, the header file contains classes, function prototypes, structure declaration, macros.

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In a macro call the control is passed to the macro.

A:

True

B:

False

C:

D:

Answer: B

False, Always the macro is substituted by the given text/expression.

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Macros with arguments are allowed

A:

True

B:

False

C:

D:

Answer: A

True, A macro may have arguments.

Example: #define CUBE(X)(X*X*X)

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Preprocessor directive #ifdef .. #else ... #endif is used for conditional compilation.

A:

True

B:

False

C:

D:

Answer: A

True, these macros are used for conditional operation.


#if <constant-expression>
#elif <constant-expression>
#endif

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Every C program will contain at least one preprocessor directive.

A:

True

B:

False

C:

D:

Answer: B

False, the preprocessor directive is not mandatory in any c program.

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Questions for: C Preprocessor