c-prog quiz

1. Which of the following is the correct syntax to include a header file in a C program?

• #include<file>

• #include file

• include<file>

• #include "file"

#include<stdio.h>

int main()

{

int x = 10,

y = 20;

printf("%d", x * y);

return 0;

}

• 10

• 20

• 200

• Compilation error

What is the purpose of the return 0; statement in the main() function?

• It stops the execution of the program.

• It returns control to the operating system.

• It specifies that the program executed successfully.

• It prints 0 on the screen.

Which operator is used to access the value of a variable through a pointer?

• *

• +

• %

• ()

Which of the following is NOT a valid keyword in C?

• return

• goto

• class

• switch

#include<stdio.h>

int main() {

int a = 5, b = 2;

printf("%d", a / b);

return 0;

}

• 2

• 3

• 2.5

• 0

How do you write a single-line comment in C?

• /* Comment */

• // Comment

• -- Comment

• # Comment

What is the default return type of the main() function in C?

• int

• void

• float

• char

Which data type is used to store a single character in C?

• int

• char

• float

• string

What is the purpose of the break statement in a loop?

• To skip the current iteration of the loop.

• To exit the loop immediately.

• To pause the loop temporarily.

• To restart the loop from the beginning.