SAS Module 2

What is the purpose of the microcontroller on the Arduino board?

• Run code and control the board
• Supply power to components
• Store data
• Control only LEDs

Which pins are used for distributing and regulating power on the Arduino?

• Digital I/O pins
• Power pins
• Analog input pins
• PWM pins

What is the role of digital I/O pins on the Arduino?

• Send signals only
• Receive signals only
• Send and receive signals
• Store signal values

What is a breadboard used for?

• Permanently connect components
• Test circuits without soldering
• Test software
• Debug circuits

What is the primary role of a resistor in a circuit?

• Increase current flow
• Limit current flow
• Store energy
• Measure voltage

How many digital I/O pins are available on an Arduino Uno?

• 10
• 13
• 15
• 20

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

• Supply current
• Return current
• Distribute power
• Handle interrupts

What are the two states of a digital I/O pin?

• 1 and 0
• HIGH and LOW
• ON and OFF
• Active and Inactive

Which Arduino pin provides 3.3V of electricity?

• GND
• 5V
• VIN
• 3.3V

What are the two configurations of digital I/O pins?

• Input only
• Output only
• Input and Output
• Analog only