L9-Stop Watch and Hot Potato

What is the unit of time measurement in mircobit ?

• ms (milisecond )

• seconds

• hour

• minute

What will happen after the loop completes?

• A sound is played immediately.

• The timer restarts from a new random value.

• A new icon is shown, and then two tones are played.

• The program ends without any further actions.

How often does the light toggle inside the loop?

• Every 5 seconds.

• Every 1 second.

• Every half second.

• Every 2 seconds.

What is the purpose of the loop in this code?

• To continuously show an icon.

• To toggle the lights on and off while the timer counts down.

• To play sounds repeatedly.

• To increase the timer by 1 every second.

What happens when the A+B button is pressed?

• The code waits for a fixed time and then shows an icon.

• The timer is set to a random value between 5 and 10, and an icon is shown.

• The code plays a sound immediately.

• The timer is set to 0 immediately.

What is the use of this block?

• Toggle block is used to make a LED blink

• Toggle block turns a LED on

• Toggle block turns a LED off

• It changes the color of the icon

Under what condition does the code start decrementing the Stopwatch value?

• When the Stopwatch is greater than 0

• When the CountDown variable is set to false

• When the CountDown variable is set to true

• When the pause time is set to 100 ms

How much time is delayed between each decrement of the Stopwatch?

• 1 second

• 0.5 seconds

• 100 ms

• 10 seconds

What happens when the Stopwatch reaches 0?

• The program stops executing

• The CountDown variable is set to true and a melody starts

• The CountDown variable is set to false and a melody starts

• The string "Stopwatch" is displayed again

What is the purpose of setting CountDown to true when the logo is released?

• To reset the timer

• To start the countdown process

• To stop the countdown process

• To play a sound