Topic 5: Let’s Make Some Noise Using Piezo Buzzer

Which among the following icons represent the piezo buzzer in TinkerCad?

• A

• B

• C

• D

What is a vibration of pressure transmitted through a medium such as air or water?

• sound

• energy

• electricity

• light

Which of the following steps will allow you to open the sample toneMelody sketch?

• FILE > EXAMPLES > 01.BASICS

• FILE > EXAMPLES > 02.DIGITAL

• FILE > EXAMPLES > 03.ANALOG

• FILE > EXAMPLES > 04.COMMUNICATION

Look at the sketch below. What does line number 8 mean?

• It tells that the buzzer will turn ON or produce a sound.

• It tells that the buzzer will turn OFF or not produce any sound.

• It tells that the buzzer will turn ON and OFF for 500 microseconds.

• It tells that the buzzer will receive the control signal from digital pin 5.

Which of the following statements is TRUE about playing different pitches in multiple pins?

• If a tone is already playing on a different pin, the call to tone() will have no effect.

• You can't play a chord, you can only play 1 note at any 1 time.

• Only one tone can be generated at a time.

• All of the above

Which of the following is NOT TRUE about tone () function?

• It generates a square wave of the specified frequency (and 50% duty cycle) on a pin.

• A duration can be specified, otherwise the wave continues until a call to noTone().

• Only one tone can be generated at a time.

• Two or more tones can be generated at a time.

What is the frequency value of the key note F₄?

• 262

• 523

• 349

• 350