A game loop runs while lives > 0. Which line lets it end?

• The line that prints the score
• The line that sets lives to 3 before the loop
• The line inside the loop that takes a life away

A quiz must keep asking one question until the answer is right. Which loop fits?

• A while loop on the answer being wrong
• A for loop that always gives exactly ten tries
• No loop, just one if statement

If nothing inside the loop can change the condition, it runs forever.

Read sensor data until it reports ready. The wait length is unknown. Which fits?

• A for loop over a fixed range
• A single if statement that checks ready once
• A while loop on the ready signal

Print every name in a class list of known size. Which loop fits and why?

• For, since the list size is known
• While, since names are strings
• While, since lists always need conditions

A while loop counts down but never stops. What is the likely fault?

• The counter starts at zero instead of ten
• The body never updates the counter
• The loop prints too much text

A student waits for a password with a for loop over a huge fixed range, hoping it is enough. Why is while better?

• While waits exactly as long as needed instead of guessing a cap
• For loops cannot check passwords
• While runs faster on each pass

n starts at 4. While n is above 0, the loop prints n then sets n to n minus 1. How many prints?

• 3
• 4
• 5