Micro Marvels Post-Quiz

What is a microcontroller?

• A small computer that can fit in the palm of your hand.

• A controller used to run microwaves

• A musical instrument

• A large computer

What is a circuit?

• A circuit is a type of geometric shape used in electronics.

• A circuit is a pathway through which an electric current can flow.

• A circuit is a pathway that does not allow electric current to flow.

• A circuit is a large microcontroller

Why are breadboards used in electronics?

• To allow the user to practice their soldering technique when adding components to a circuit

• So a user can eat a sandwich on it while making electronic circuits

• To create temporary circuits for prototyping and testing without soldering.
• To make sure LEDs work in our circuits

What does this symbol represent in a circuit?

• Potentiometer

• LED

• Resistor

• Battery

What does this symbol represent in a circuit?

• Resistor

• Battery

• LED

• Ultrasonic Sensor

What does this symbol represent in a circuit?

• Resistor

• LED

• Battery

• Capacitor

Why would this circuit not work?

• Incompatibility with the latest software updates
• There need to be a resistor between the power rail and the LED to reduce the amount of electrical current flowing to it

• The battery needs to be replaced with an Arduino board

• The LED is a broken component and should be replaced

In Tinkercad block code, what does the word HIGH do?

• Referring to a physical height measurement
• Turn something on

• It indicates a full battery level

• Turn something off

In a circuit, what does a potentiometer do?

• Changes the amount of electricity in a circuit by turning a dial

• It generates electricity in the circuit
• It changes the colour of the circuit components

• It plays sounds in the circuit

In Tinkercad and Arduino, what's the purpose of the Serial Monitor?

• To display data sent from the microcontroller to the computer
• To control the brightness of LEDs
• To upload code to the microcontroller
• To measure temperature