What does GPIO stand for?

• General Purpose Input/Output Device

• General Purpose Integrated Output

• General Purpose Input/Output

• Generalized Peripheral Input/Output

Which Python library is commonly used for GPIO programming on Raspberry Pi?

• Adafruit_BBIO

• RPi.GPIO

• WiringPi

• RPi.GPIO2

How do you set a GPIO pin as an input in Python?

• GPIO.set_input(pin_number)

• GPIO.setup(pin_number, GPIO.IN)

• GPIO.configure(pin_number, 'input')

• GPIO.pin_mode(pin_number, 'input')

How can you read the state of a GPIO pin in Python?

• Use the Arduino IDE to read GPIO states.

• Connect a multimeter to measure the voltage.

• Use RPi.GPIO or gpiozero library to read the state of a GPIO pin.

• Use a web browser to access GPIO settings.

What command is used to set a GPIO pin to HIGH?

• digitalWrite(pin, HIGH)

• gpioSet(pin, 1)

• setPin(pin, 1)

• writePin(pin, true)

Which GPIO pin is typically used for the Raspberry Pi's ground?

• GPIO pin 1 (3.3V)

• GPIO pin 6 (GND)

• GPIO pin 5 (GPIO 3)

• GPIO pin 12 (GPIO 18)

How do you control an LED connected to a GPIO pin?

• Connect the LED directly to the power supply.

• Use a resistor to connect the LED to the ground only.

• Set the GPIO pin as output and control it using HIGH/LOW signals.

• Set the GPIO pin as input and leave it unconnected.

What is the function of the RPi.GPIO library?

• To enhance video playback on a Raspberry Pi.

• To manage network connections on a Raspberry Pi.

• To optimize power consumption of a Raspberry Pi.

• To control GPIO pins on a Raspberry Pi.

How do you safely clean up GPIO settings in a Python script?

• Delete the GPIO library from your script.

• Ignore GPIO settings and continue running the script.

• Use GPIO.reset() to clear settings.

• Call GPIO.cleanup() at the end of your script or in a finally block.

What is the default voltage level for a GPIO pin on a Raspberry Pi?

• 5V

• 3.3V

• 12V

• 1.8V