Lesson Four - Sensing

Using the flow diagram below, which object has not got an engine, but can fly?

• Aeroplane
• Hot Air Balloon
• Motorbike
• Bicycle

What do you use the emulator for?

• To create the code for your program
• To test your program
• To download your program on to a micro:bit

What is the name of the variable in the code snippet below?

• Shake
• String
• Answer
• Yes

What would be displayed on the LEDs if button A is pressed?

• A tick
• A cross
• A tick followed by a cross

What text would be displayed if number 3 was generated?

• Yes
• No
• Maybe

Which input devices have been introduced in lesson one? (tick 2)

• Buttons A and B
• The compass
• The accelerometer
• The light sensor

Which of the following can be used to capture inputs on a micro:bit? (Choose 2)

• Buttons A and B
• LED Lights
• Accelerometer
• USB port

When do you flash a program?

• When you run the program on the device
• When you are adding the blocks to the coding area
• When you transfer the program from your computer to the micro:bit

Which of these statements is correct?

• When you read the value of a variable, the value is replaced.
• When you read the value of a variable the value remains.
• When you read the value of a variable the value changes.