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 ;
D
; always used to end a statement. Example:
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 */
B, C, D
If your comment is short, you should use a double slash (//) followed by your comment. For example:
// this is a comment
If your comment is long, type your comment between (/* and */). For example:
/* 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
A
A library is a source file already written containing ready-made functions.
5. What is the name of the main function of a C program?
A principal
B main
C any name
D begin
B
The name of the main function of a C program is ‘main()’. The main function is the most important function in C programs: it is mandatory in all programs. The execution of a program automatically calls the main function. Example:
#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!");
C
printf function allow us to display a text on the screen in console mode. Example:
#include <stdio.h>
int main()
{
printf("Hello, World!");
return 0;
}
Output:
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
D
\n character is used to make a line break on the screen. Example:
#include <stdio.h>
int main()
{
printf("Hello,\n World!");
return 0;
}
Output:
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
C
\r character is used to move the cursor or print head to the beginning of the current line. Example:
#include <stdio.h>
int main()
{
printf("Hello,\r World!");
return 0;
}
Output:
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)
C
Files with the .C extension contain the source code in text format for programs, functions and objects in C or C++.
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
B
Compiler is a program that translates the entire source code of a software project into machine code before it is executed.
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- 100 Multiple Choice Questions In C Programming – Part 1
- 100 Multiple Choice Questions In C Programming – Part 2
- 100 Multiple Choice Questions In C Programming – Part 3
- 100 Multiple Choice Questions In C Programming – Part 4
- 100 Multiple Choice Questions In C Programming – Part 5
- 100 Multiple Choice Questions In C Programming – Part 6
- 100 Multiple Choice Questions In C Programming – Part 7
- 100 Multiple Choice Questions In C Programming – Part 8
- 100 Multiple Choice Questions In C Programming – Part 9
- 100 Multiple Choice Questions In C Programming – Part 10
- 100 Multiple Choice Questions In C Programming – Part 11
- 100 Multiple Choice Questions In C Programming – Part 12
- 100 Multiple Choice Questions In C Programming – Part 13
- 100 Multiple Choice Questions In C Programming – Part 14
