What is the extension of C programming files?

• .txt

• .c

• .cpp

• .java

Which function is used to display output in C?

• print()

• System.out.println()

• cout

• printf()

Which symbol is used to end a statement in C?

• :

• .

• ;

• ,

Which of the following is a valid variable declaration in C?

• int 1num

• int num1;

• int #num;

• int num ;

What is the correct syntax for a main function in C?

• int main()

• void main()

• main()

• public main()

What will the following code print? printf("Hello, World!");

• Hello

• World

• Hello, World!

• Error

Which of the following is a valid comment in C?

• # This is a comment

• // This is a comment

• /* This is a comment */

• Both b) and c)

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

• To terminate the program

• To indicate successful program completion

• To print the value 0

• To declare a variable

Which of the following is a valid if statement in C?

• if (x = 10)

• if (x == 10)

• if x == 10:

• if (x 10)

Which function is used to take input from the user in C?

• printf()

• scanf()

• cin

• gets()