MicroBit Programming Quiz

What does the 'on start' block do?

• Turns off all LEDs

• Runs when the program starts

• Displays text on the LED

• Repeats code forever

Answer explanation

The 'on start' block is a specific command that executes when the program begins. This means it initializes actions or settings right at the start, making 'Runs when the program starts' the correct choice.

Which block is used to show an icon on the LED screen?

• showNumber

• showString

• showIcon

• showLeds

Answer explanation

The block 'showIcon' is specifically designed to display icons on the LED screen, making it the correct choice. The other options, like 'showNumber' and 'showString', are for different types of displays.

What does the 'clearScreen' block do?

• Displays a number

• Draws an arrow

• Pauses for a time

• Turns off all LEDs

Answer explanation

The 'clearScreen' block is designed to turn off all LEDs, effectively clearing any visual output on the display. This is why the correct answer is 'Turns off all LEDs'.

Which block is triggered when button A is pressed?

• onLogoEvent

• onPinPressed

• onGesture

• onButtonPressed

Answer explanation

The block that is triggered when button A is pressed is 'onButtonPressed'. This block specifically handles button press events, making it the correct choice among the options provided.

What does the 'lightLevel' block measure?

• Temperature

• Light level

• Sound level

• Magnetic force

Answer explanation

The 'lightLevel' block specifically measures the amount of light present in an environment, making 'Light level' the correct answer. It does not measure temperature, sound level, or magnetic force.

Which block can be used to play a tone?

• changeTempoBy

• setVolume

• tonePlayable

• stopAllSounds

Answer explanation

The block 'tonePlayable' is specifically designed to play a tone, making it the correct choice. The other options do not serve this function.

What does the 'setTempo' block do?

• Sets the tempo to a specified amount

• Stops all sounds

• Plays nothing for a time

• Returns the current volume

Answer explanation

The 'setTempo' block specifically adjusts the tempo to a specified amount, allowing for control over the speed of the music. This makes it the correct choice, as the other options do not relate to setting tempo.

Which block allows you to get the brightness of a specific LED?

• pointBrightness

• plot

• setBrightness

• toggle

Answer explanation

The block 'pointBrightness' is specifically designed to retrieve the brightness level of a particular LED, making it the correct choice. The other options do not serve this purpose.

What does the 'pause' block do?

• Pauses for a specified time

• Draws an arrow

• Clears the screen

• Shows a number

Answer explanation

The 'pause' block is designed to halt the program's execution for a specified duration, allowing for timed delays. This distinguishes it from other options like drawing or clearing, which serve different functions.

Which block is used to get the current compass heading?

• calibrateCompass

• compassHeading

• logoIsPressed

• isGesture

Answer explanation

The block 'compassHeading' is specifically designed to retrieve the current compass heading, making it the correct choice. The other options do not serve this purpose.