Quiz #6 (BSIT 3G)

What built-in features distinguish the ESP32 from a standard Arduino?

• Higher voltage input and more analog pins
  

• Built-in Wi-Fi, Bluetooth, and touch sensors
  

• Integrated GPS and cellular connectivity
  

• Onboard OLED display and camera module
  

How many general-purpose I/O (GPIO) pins does the ESP32 have, roughly?

• a. 8

• b. 16

• c. 30+

• d. 64

What type of USB connector is used to program the ESP32 board?

• USB-C

• Mini-USB

• Micro-USB

• USB-B

Which keyword sets a GPIO pin as an output in Arduino code?

• pinMode(pin, OUTPUT)

• setPin(pin, OUTPUT)

• digitalWrite(pin, OUTPUT)

• configure(pin, OUTPUT)

Which function runs once at the start of an Arduino sketch to initialize settings?

• a. loop()

• b. setup()

• c. init()

• d. start()

Which function repeatedly executes after setup() in an Arduino sketch?

• initialize()

• main()

• loop()

• run()

What command turns the LED on by sending a voltage to the pin?

• digitalWrite(LED_pin, LOW)

• digitalRead(LED_pin)

• digitalWrite(LED_pin, HIGH)

• analogWrite(LED_pin, HIGH)

If the COM port for the ESP32 doesn’t appear, which Windows tool helps resolve driver issues?

• Control Panel → Programs and Features

• Device Manager

• Task Manager

• Disk Management

In station mode, the ESP32:

• Creates its own Wi-Fi network

• Acts like any other device connecting to a router
  

• Bridges two Wi-Fi networks together

• Disables its Wi-Fi radio

Which menu opens the Serial Monitor in the Arduino IDE?

• Tools → Serial Monitor

• File → Serial Monitor

• Sketch → Serial Monitor

• View → Serial Monitor