Code.org Quiz1

In a programming environment, what does the "background-color" property do when applied to a screen?

• Changes the color of the text on the screen

• Sets the color of the screen's background

• Alters the size of the screen

• Modifies the layout of the screen

When you click the "Green-ify" button in the app, what happens to the screen's color?

• It changes to red

• It changes to yellow

• It changes to green

• It changes to blue

In the flashlight app, what should the "On" button accomplish?

• Change the screen's background color to black

• Make the screen's background color white

• Display a message

• Turn off the flashlight

What additional feature is added to the "Off" button in the flashlight app?

• It turns the screen red

• It makes the screen black

• It adds a sound

• It changes the text to "Off"

In the sound board application, which of the following is required for the last button?

• Only an image

• A sound and text change

• An image, text, and sound

• No changes are needed

When creating a new button, what property must be set to give it a unique identifier?

• background-color

• font-size

• id

• text

In the design mode of Code.org, what action is typically taken to add new elements to the app?

• Dragging elements from the toolbox

• Writing code manually

• Importing images

• Clicking buttons

What does the onEvent() function do in the context of a button?

• It defines the initial appearance of the app

• It specifies actions that occur when the button is interacted with

• It creates a new screen

• It deletes existing elements

What is the purpose of the playSound() function in the sound board app?

• To change the text of a button

• To change the background color

• To play an audio clip when a button is clicked

• To animate elements on the screen

Which property would you change to alter the text displayed on a label?

• text-color

• background-color

• text

• font-size