100 Multiple Choice Questions In C Programming – Part 1

This collection of 100 Multiple Choice Questions and Answers (MCQs) In C Programming : Quizzes & Practice Tests with Answer focuses on “C Programming”.
 

1. A preprocessor directive is a statement that begins with_____

A {

B #

C //

D /*

B

The preprocessor is a program executed during the first stage of compilation. It performs textual modifications on the source file from directives. The different preprocessor directives, introduced by the # character, are designed to :

• Incorporation of source files (#include),
• Definition of symbolic constants and macros (#define),
• Conditional compilation (#if, #ifdef,…).

 

 

2. Which character always ends a statement?

A ,

B .

C }

D ;

printf("Hello, World!");

3. How to write a comment on a single line?

A /* my comment

B // my comment //

C // my comment

D /* my comment */

// this is a comment

/* this is a 
multi-line 
comment */

4. What is a library?

A A source file already written containing ready-made functions

B A file allowing to display text on the screen

C A file containing my program

D None of the above

5. What is the name of the main function of a C program?

A principal

B main

C any name

D begin

#include <stdio.h>

int main() 
{
   printf("Hello, World!");
   return 0;
}

6. Which of the following functions display “Hello, World!” on the screen in console mode?

A echo("Hello, World!");

B print("Hello, World!");

C printf("Hello, World!");

D show("Hello, World!");

#include <stdio.h>

int main() 
{
   printf("Hello, World!");
   return 0;
}

Hello, World!

7. Which of the following characters is used to make a line break on the screen?

A \t

B \a

C \r

D \n

#include <stdio.h>

int main() 
{
   printf("Hello,\n World!");
   return 0;
}

Hello,
 World!

8. Which of the following characters returns the cursor to the left of the screen?

A \t

B \a

C \r

D \n

#include <stdio.h>

int main() 
{
   printf("Hello,\r World!");
   return 0;
}

 World!

9. What kind of files can be created with C programming?

A Images (*.jpg, *.png, *.gif…)

B Executables (*.exe on Windows)

C Sources (*.c)

D Text files (*.txt)

10. The program that translates your code from a high-level language to the binary language is called ________

A programmer

B compiler

C translator

D linker

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