Microbits/App lab

When does screen1 turn green?

• When you click the Button

• When you press the 'A' Button

• When you press the 'B' Button

Answer explanation

screen1 turns green when the user clicks a button, as this action triggers the change. The other option is incorrect because it simply restates the condition without specifying the action required.

What picture does this make on the microbit?

ledScreen.clear();

ledScreen.on(1, 1);

ledScreen.on(3, 1);

ledScreen.on(0, 3);

ledScreen.on(1, 4);

ledScreen.on(2, 4);

ledScreen.on(3, 4);

ledScreen.on(4, 3);

• A sad face

• A happy face

What colour is the background in the following code?

setProperty("screen1", "background-color", "blue");

• red

• green

• blue

• yellow

What font family is used for the Title?

setProperty("title", "font-family", "Lucida Console");

• Arial

• Lucida Console

• No specified font family.

• Times New Roman

Where the will similey face move to when it is clicked?

setProperty("smiley", "x", randomNumber(5, 275));

setProperty("smiley", "y", randomNumber(5, 380));

• The smiley face will disappear when clicked.
• The smiley face will move to a fixed position at (100, 200).
• The smiley face will move only horizontally between (5, 275).
• The smiley face will move to a random position within the coordinates (5, 5) to (275, 380).

What does UI stand for?

• User Interface
• User Interaction
• User Identification

• User

What does LED stand for?

• Light Emitting Display
• Light Emitting Device
• Laser Emitting Diode
• Light Emitting Diode

What is an accelerometre?

• A device that measures temperature changes.

• An accelerometre is a device that measures acceleration forces.

• A tool used for measuring distance.

• An instrument that detects sound waves.

What kind of sensors does a microbit have?

• Accelerometer, magnetometer, temperature sensor, light sensor
• Pressure sensor
• Humidity sensor
• Proximity sensor

Identify the components on the micro:bit board.

a

b

c

d

e

Button A

Ground pin

LED matrix

Button B

Touch sensor