Quiz on Program Control: Repetition in C Programming

What is the primary purpose of repetition in programming?

• To create a new variable

• To repeat a block of code multiple times

• To execute a block of code only once

• To end a program

Which of the following is NOT a type of loop in C?

• for

• while

• do-while

• until

In a for loop, what does 'exp1' represent?

• The statements to execute

• The condition to continue looping

• The initialization of the loop variable

• The increment or decrement operation

What will happen if the condition in a while loop is false?

• The loop will execute indefinitely

• The loop will execute only once

• The loop will not execute at all

• The loop will execute at least once

What is the output of the following code: for (x=1; x <= 10; x++) printf("%d\n", x);?

• 1 to 10

• 10 to 1

• No output

• 1 to 9

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

• Pauses the loop for a moment

• Skips the current iteration

• Ends the loop immediately

• Restarts the loop

In a do-while loop, when is the condition evaluated?

• It is not evaluated

• After executing the statements

• Before executing the statements

• During the execution of the statements

Which of the following correctly describes a nested loop?

• A loop that runs only once

• A loop inside another loop

• A loop that does not terminate

• A loop that runs in reverse

What will the following code output? for(x=1; x<=10; x++) { if (x == 5) continue; printf("%d ", x); }

• No output

• 1 2 3 4 5 6 7 8 9 10

• 1 2 3 4 6 7 8 9 10

• 1 2 3 4 5

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

• To exit the loop

• To skip the current iteration

• To restart the loop

• To pause the loop