Question 1

What will the following line of code do when it is run?

from microbit import *

Accepted Answer

import everything from the microbit library

Answer

import animations from the microbit library

Answer

import sounds from the microbit library

Answer

import images from the microbit library

Question 2

Which of the following is the correct syntax for displaying an image?

Accepted Answer

display(image.STICKFIGURE)

Answer

show(Image.NO)

Answer

show(image.NO)

Answer

display(Image.stickfigure)

Question 3

Where is the error in the code below?

Accepted Answer

The asterisk is missing from the first line so the library is not imported correctly.

Answer

On line 3, sleep(2000) should be replaced with wait(2000).

Answer

On lines 2 and 4, only display is needed, instead of display.show.

Answer

On line 4, there is no ANGRY image in the microbit library.

Question 4

What is the purpose of line 2 in the following code?

Accepted Answer

The microbit will hide the image for 3 seconds before running the following line of code.

Answer

The microbit will display the image for 3000 seconds before running the following line of code.

Answer

The microbit will hide the image for 3000 seconds before running the following line of code.

Answer

The microbit will display the image for 3 seconds before running the following line of code.

Question 5

How could the code below be changed to make the heart beat faster?

from microbit import* display.show(Image.HEART_SMALL) sleep(500) display.show(Image.HEART) sleep(500) display.show(Image.HEART_SMALL) sleep(500) display.show(Image.HEART)

sleep(500)

Accepted Answer

decrease the sleep time to 250

Answer

increase the sleep time to 1000

Answer

decrease the sleep time to 1000

Answer

increase the sleep time to 250

Question 6

Which of the following will display text moving horizontally across the display?

Accepted Answer

scroll('Hello, micro:bit!')

Answer

scroll(Hello, micro:bit!)

Answer

vertical('Hello, micro:bit!')

Answer

horizontal('Hello, micro:bit!')

Question 7

What will the following code produce on the microbit display?

from microbit import* display.scroll('I') display.show(Image.HEART) sleep(1000) display.scroll('MUSIC!')

Accepted Answer

A scrolling I, then ♥ for 1 second, followed by the word MUSIC scrolling across the display.

Answer

I ♥ music! scrolling across the display.

Answer

I ♥ MUSIC! scrolling across the display.

Answer

An I for 1 second, then ♥ for 1 second, followed by the MUSIC image.

Question 8

Which of the following lines of code will correctly display a string?

Accepted Answer

scroll(‘HEART')

Answer

show(‘YES')

Answer

show(Image.HEART)

Answer

scroll(Image.'YES')

Question 9

How can we display the number 5 on the micro:bit LED display?

Accepted Answer

display.show(5)

Answer

display.image(5)

Answer

display.show(Image.5)

Answer

display.scroll(5)

Question 10

How long will the micro:bit wait in the following code?

from microbit import* sleep(1500)

Accepted Answer

1.5 seconds

Answer

15 seconds

Answer

150 seconds

Answer

1500 seconds

Question 11

Which of the following lines of code will correctly display a built-in sad face image?

Accepted Answer

display.show(Image.SAD)

Answer

display.image(SAD)

Answer

display.show(sad)

Answer

display.scroll(SAD)

Question 12

Which statement will clear the micro:bit display?

Accepted Answer

display.clear

Answer

display.remove

Answer

display.hide

Answer

display.off

Question 13

What will the following code display?

from microbit import* display.show(Image.CONFUSED) sleep(2000) display.clear()

Accepted Answer

A confused face for 2 seconds.

Answer

A clear screen the entire time.

Answer

A happy face for 2 seconds.

Answer

A scrolling CONFUSED text.

Question 14

What does the Image.ALL_CLOCKS represent?

Accepted Answer

A list of images representing all 12-hour clock positions.

Answer

A list of images representing all 60-minute clock positions.

Answer

A list of all available images in the library.

Answer

A list of images of different types of clocks.

Question 15

What will the following code display on the microbit?

from microbit import* display.show(Image.CLOCK12) sleep(2000) display.show(Image.CLOCK3)

Accepted Answer

The image of a clock pointing at 12 for 2 seconds, then the image of a clock pointing at 3.

Answer

The image of a clock pointing at 12 indefinitely.

Answer

The image of a clock pointing at 12 for 2 milliseconds, then the image of a clock pointing at 3.

Answer

Only the image of a clock pointing at 3.

Question 16

How would you display an image of a sad face using the microbit library?

Accepted Answer

display.show(Image.SAD)

Answer

display.show(Image.FROWN)

Answer

display.scroll(Image.SAD)

Answer

display.Image(SAD)

Question 17

To display an image for half a second, what value should you use with the sleep() function?

Accepted Answer

sleep(500)

Answer

sleep(5000)

Answer

sleep(0.5)

Answer

sleep(50)

Question 18

Which function is used to clear or turn off all the LEDs on the microbit display?

Accepted Answer

display.clear

Answer

display.hide()

Answer

display.off

Answer

display.none

Question 19

What will be displayed when the following code is run?

from microbit import* display.show(Image.GHOST) sleep(5000) display.clear()

Accepted Answer

A ghost image for 5 seconds, then a clear display.

Answer

A ghost image for 5 milliseconds, then a clear display.

Answer

Only a clear display.

Answer

A ghost image indefinitely.

Question 20

When writing the line from microbit import *, what is the purpose of the * symbol?

Accepted Answer

It means to import everything from the microbit library.

Answer

It's an indication for the compiler to prioritise the microbit library.

Answer

It's a multiplication operator.

Answer

It's a wildcard that only imports images from the microbit library.

Related quizzes

Related quizzes