C Programming Quiz

What is the purpose of the #include directive in a C program?

• To include the standard input/output library

• To define a constant

• To declare variables

• To initialize the main function

Which of the following is the correct way to declare a variable in C?

• int x;

• int x = 10;

• int x + 10;

• declare int x = 10;

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

• To terminate the loop immediately

• To skip the current iteration

• To restart the loop

• To execute the next statement after the loop

Which loop construct in C is best suited for a situation where the number of iterations is known beforehand?

• while loop

• do-while loop

• for loop

• infinite loop

Which of the following is a valid way to declare a 2D array in C?

• int arr[3][4];

• int arr[3,4];

• int[3][4] arr;

• int arr(3)(4);

Which of the following is NOT a logical operator in C?

• AND

• OR

• NOT

• IF

Which comparison operator can be used to check if one value is less than another?

• !==

• >=

• ==

• <

Which format specifier should be used in C to print Boolean values?

• %f

• %s

• %c

• %d

What is a fundamental aspect to remember about C programming in relation to Boolean expressions?

• C treats all variables as case-insensitive.

• The bool keyword is essential for defining Boolean types.

• Logical operators cannot be used with Boolean expressions.

• Boolean expressions can only be assigned to char types.

Why are comments important in C programming?

• They automatically correct coding errors.

• They are compiled and executed by the program.

• They help in code readability and debugging.

• They are used to initialize variables.