Control Structures Quiz

What is a decision control structure used for?

• To repeat a block of code

• To alter the flow of execution

• To store data

• To define variables

Which of the following is NOT a loop control structure?

• for

• while

• do-while

• if-else

What does the 'break' statement do in a loop?

• Pauses the loop

• Exits the loop

• Restarts the loop

• Continues to the next iteration

Which control structure allows for multiple conditions to be checked?

• for

• if

• while

• switch-case

What is the purpose of the 'else' statement in an if-else structure?

• To declare a variable

• To define a loop

• To execute code if the condition is false

• To execute code if the condition is true

In a nested if-else statement, what is true about the inner if?

• It executes only if the outer if is true

• It can only execute if the outer if is false

• It cannot contain else statements

• It can execute independently of the outer if

What is the syntax for a conditional operator in C?

• condition ? true_case : false_case

• if(condition) true_case else false_case

• switch(condition) case true_case : case false_case

• for(condition; true_case; false_case)

Which of the following is a characteristic of a switch-case statement?

• It does not allow a default case

• It can only execute one case

• It requires a boolean expression

• It can handle multiple conditions

What happens if no case matches in a switch statement?

• The first case executes

• Nothing happens

• The default case executes if defined

• The program crashes

What is the output of the following code if num is 2? if(num==1) printf("UNITED STATES"); if(num==2) printf("SPAIN");

• No output

• WRONG ENTRY

• SPAIN

• UNITED STATES