Comp8 code.org Unit 6A L3 Quiz

What port on your computer do you connect the Circuit Playground board to?

• No port: it is wireless

• USB

• It connects to your phone and not your computer

• Power

How many LED lights are on the Circuit Playground?

• None

• Two

• Many in a circle around the edge of the board

• Thousands

How do you know when your Circuit Playground board is connected, working and ready to use?

• The word "Success" appears on the screen after you click Run.

• All the LEDs on the board flash in blue and yellow

• You hear a loud buzzing noise from the board

• Your computer shuts down

A student codes the buttons to turn the LED on and off. It stays on all the time. What is the error in the code? (Click on the image to enlarge it)

• No yellow "onEvent()" blocks were used.

• No red led blocks were used.

• There is no code written for the LEDoff button

• There are two led.on() blocks. The second one should be an led.off() block.

Which of the following is NOT an led block that you can code with?

• led.on

• led.blink

• led.brightness

• led.toggle

You cannot change the sound that the buzzer makes on the Circuit Playground board.

• True

• False

The bigger the number you use for the duration of the buzzer sound the longer it will play.

• True

• False

Which block is used to change how many times the led blinks per second?

• led.blink

• led.toggle

• led.pulse

• buzzer.frequency

Which block is used to turn the LED on or off?

• led.blink

• led.toggle

• led.pulse

• buzzer.frequency

Which block is used to how high-pitched or low-pitched the buzzer sounds?

• led.blink

• led.toggle

• led.pulse

• buzzer.frequency