Introduction to Arduino - Quiz

What is the primary function of an Arduino in a project?

• A) It powers the circuit.

• B) It acts as a microcontroller and processes instructions.

• C) It is used to store data.

• D) It connects the components physically.

Which of the following pins on an Arduino is used for analog input?

• A) A0 - A5

• B) D0 - D13

• C) TX and RX

• D) GND

In the Arduino board, what do the TX and RX pins stand for?

• A) Temperature and Rotation

• B) Transmit and Receive

• C) Torque and Resistance

• D) Time and Relay

What is the purpose of a resistor in an Arduino circuit?

• A) To increase the flow of current.

• B) To stabilize and limit the flow of current.

• C) To store electrical charge.

• D) To generate electricity.

Which leg of an LED is the positive terminal?

• A) The shorter leg.

• B) The longer leg.

• C) Both legs are positive.

• D) None, LEDs don't have terminals.

What is the purpose of the GND pin on an Arduino?

• • To supply power to the components.

• • To act as an input pin for sensors

• • To provide a reference voltage for the circuit.

• • To connect to the ground or negative terminal

Which leg of an LED is the positive terminal?

• • The shorter leg

• • The longer leg

• • Both legs are positive

• • None, LEDs don't have terminals

Which tool can be used to simulate Arduino circuits and write code online?

• Microsoft Paint

• Tinkercad

• Excel

• PowerPoint

What happens when you press the reset button on the Arduino Uno?

• • The board powers off

• • The current program is erased

• • The board restarts and the current program runs from the beginning

• • The board enters programming mode

What is the purpose of the USB socket on the Arduino Uno?

• • To supply power to the Arduino board

• • To connect external storage devices

• • To upload code from the computer and supply power to the board

• • To connect the Arduino to the internet