Why did we use a for loop in the barrier gate project?, To repeat an action a fixed number of times, To measure the distance using the ultrasonic sensor, Which part of a for loop controls how many times the loop runs?, Initialisation, Condition, Increment, What would happen if the condition in a loop never becomes false?, The loop would stop immediately, The loop could run forever, The program would skip the loop, In the barrier gate system, did we know in advance how many times the gate needed to move?, Yes, No, If we do NOT know how many times an action needs to repeat, what should control the repetition?, A fixed number, A condition, When should the artificial lights turn ON in the greenhouse?, When light is high, When light is low, When the servo moves, Which programming construct repeats code while a condition is true?, If statement, For loop, While loop, Which loop is best when you do NOT know how many times the code should repeat?, For loop, While loop, What condition keeps this while loop running? while (lightLevel < threshold), Light level is high, Light level is low, Servo is moving, When does a while loop stop running?, After a fixed number of times, When the condition becomes false, Never.

While-loop Quiz

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