C programming MCQ : Preprocessor Directives(MULTIPLE CHOICE QUESTION)

This set of C programming questions focuses on the Preprocessor Directive. Firstly, you will have to read all the questions and after that select the appropriate option. Moreover, each question contains four options, out of them only one option will be correct. If you fail to select the correct option, don’t worry, you can try again at the end of the quiz by clicking on “try again”. You can use Previous and Next button to switch to a different set of questions.

In the last set of MCQs, we were introduced to Preprocessor Directives. There, we have discussed some questions to get the basic idea of directives. Now, in this set again, you will find some more questions on Preprocessor Directive.

TEST INSTRUCTIONS: Click on options to see the answer.

Now, start attempting the quiz. Best of luck!

#1. Which of the following are correctly formed #define statements in C?

#define CUBE(X) {X*X*X}

#define CUBE(X) {X*X*X}

#define CUBE(x) (X*X*X)

#define CUBE(x) (X*X*X)

#define CUBE (X) (X*X*X);

#define CUBE (X) (X*X*X);

#define CUBE(X)(X*X*X)

#define CUBE(X)(X*X*X)

#2. It is necessary that a header files should have a .h extension.

False

False

True

True

#3. If the file to be included doesn't exist, the preprocessor flashes an error message.

True

True

False

False

#4. #include statement must be written

Before main()

Before main()

It can be written anywhere

It can be written anywhere

Before any scanf/printf

Before any scanf/printf

After main()

After main()

#5. What will be the output of the following C code?
(for code refer to Image-1 at the end of quiz)

Rupee

Rupee

Error

Error

Euro

Euro

Dollar

Dollar

#6. #pragma exit is primarily used for?

No such preprocessor exist

No such preprocessor exist

Informing Operating System that program has terminated

Informing Operating System that program has terminated

Checking memory leaks after exitting the program

Checking memory leaks after exitting the program

Running a function at exiting the program

Running a function at exiting the program

#7. The purpose of the preprocessor directive #error is that ___

It causes the preprocessor to report a fatal error

It causes the preprocessor to report a fatal error

It causes the preprocessor to ignore an error

It causes the preprocessor to ignore an error

It rectifies only the first error which occurs in the code

It rectifies only the first error which occurs in the code

It rectifies any error present in the code

It rectifies any error present in the code

#8. C preprocessor is conceptually the first step during compilation.

Depends on the compiler

Depends on the compiler

false

false

true

true

Depends on the standard

Depends on the standard

#9. Which of the following is not a preprocessor directive?

#if

#if

#pragma

#pragma

#error

#error

#ifelse

#ifelse

#10. In which stage the following code
#include<stdio.h> gets replaced by the contents of the file stdio.h

During Editing

During Editing

During Execution

During Execution

During Linking

During Linking

During Preprocessing

During Preprocessing

Finish

Results

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Wants to explore all the topics of C programming? Here, is the complete set of Multiple Choice Questions and Answers. These question sets are very helpful in preparing for Competitive Exams as well as for University level exams.

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