C Programming - Syntax and Variables Quiz

Which of the following is the correct syntax to declare an integer variable in C?

• int x;

• integer x;

• num x;

• var x;

What symbol is used to end a statement in C?

• .

• ,

• ;

• :

Which function is used to print output in C?

• scanf()

• cout

• print()

• printf()

How do you take input from the user in C?

• input()

• scanf()

• gets()

• cin

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

• 1var

• var_name

• var-name

• @var

What is the keyword to define a float variable in C?

• floating

• real

• float

• decimal

What does the following line do? int a = 10;

• Declares a float variable

• Declares and initializes an integer

• Assigns 10 to a float

• None of the above

Which header file is required for input/output functions like printf and scanf?

• stdio.h

• conio.h

• iostream

• math.h

Which escape character is used to move to the next line in output?

• \n

• \t

• \\

• \r

What will be the output of: printf("%d", 5+3);

• 53

• 8

• 5+3

• Error