Butula TVC CICT II Quiz on Control Structures Quiz

What is the primary purpose of control structures in programming?

• To execute statements in a random order

• To enable decision making and repetition

• To store data temporarily

• To compile the program

Which of the following is NOT a type of control structure in C?

• Function structures

• Repetition structures

• Selection structures

• Sequence structures

What does the 'if' statement do in a program?

• Terminates the program

• Repeats a block of code multiple times

• Executes a block of code only if a condition is true

• Executes a block of code unconditionally

In a switch statement, what happens when a 'break' statement is encountered?

• The switch statement is exited

• The program continues to the next line of code

• The flow of control jumps to the next case

• The program terminates immediately

Which loop structure guarantees that the loop body will execute at least once?

• For loop

• Do...while loop

• Nested loop

• While loop

What is the purpose of the 'continue' statement in a loop?

• To restart the loop from the beginning

• To exit the loop immediately

• To terminate the program

• To skip the current iteration and continue with the next

Which of the following is a characteristic of a nested if statement?

• It cannot be used with else statements

• It must always return a value

• It can contain another if statement inside it

• It can only contain one condition

What is a sentinel value in the context of loops?

• A value that is always true

• A value that is used to break out of a loop

• A value that is used to initialize a loop

• A value that indicates the end of a loop

What does the 'return' statement do in a function?

• It exits the function and returns control to the calling function

• It pauses the execution of the program

• It restarts the function from the beginning

• It prints a value to the console

Which of the following statements about infinite loops is true?

• They occur when a condition never becomes false

• They can only be created using while loops

• They are always a result of a programming error

• They always terminate after a fixed number of iterations