Unit 5

Which of the following commands helps generate a random number in Micro:bit?

• random.randint (1, 4)

• math.random(1, 4)

• generate.random(1, 4)

• rand(1, 4)

When you run the following code on Micro:bit , what happens?

• Display heart forever

• Display heart for 2 seconds, then screen turns off

• Display blank screen immediately

• Program error

How many physical buttons does the micro:bit have?

• 1

• 2

• 3

• 4

Which command pauses the program for 3 seconds?

• pause(3000)

• delay(3000)

• sleep(3000)

• wait( 3000)

What is a main function of Micro:bit ?

• Browsing the web

• Controlling hardware devices

• Compiling HTML code

• Running Windows operating system

Why is it necessary to use sensors on Micro:bit to solve the problem?

• Help Micro:bit respond to the surrounding environment

• Help increase the processing speed of Micro:bit

• Help expand the memory of Micro:bit

• Create louder sound

What is a one-dimensional array?

• A list containing multiple elements of the same data type

• A variable containing a value shock

• A loop that executes multiple times

• A function in MicroPython

6. What will the following code display on the Micro:bit screen ?

• 3

• 6

• 9

• program error

Which command checks if button A on the Micro:bit is pressed?

• button_a.was_pressed()

• button_a.is_pressed()

• button_a.pressed()

• button_a.check()

Which command makes the Micro:bit play a sound when programmed?

• music.play(melody)

• sound.start(melody)

• audio.output(melody)

• play.sound(melody)