Arduino Quiz

Which component is used in Arduino to read analog signals?

• Digital Pin

• Analog Pin

• PWM Pin

• SPI Pin

What is the resolution of the analog-to-digital converter (ADC) in most Arduino boards like the Uno?

• 8-bit

• 10-bit

• 12-bit

• 16-bit

In Arduino, PWM (Pulse Width Modulation) is typically used to:

• Send digital signals

• Measure resistance

• Simulate an analog output

• Amplify sound signals

Which component on the Arduino Uno regulates voltage to 5V?

• Capacitor

• Resistor

• Voltage regulator

• Transistor

In Arduino, the term 'digitalWrite' refers to:

• Writing data to analog pins

• Sending data through the I2C bus

• Setting a digital pin to HIGH or LOW

• Writing analog values to pins

Which function in Arduino enables an interrupt to occur?

• attachInterrupt()

• analogRead()

• delay()

• detachInterrupt()

Timers in Arduino are primarily used for:

• Counting data bits

• Scheduling tasks

• Powering analog components

• Calculating digital pin resistance

Analog comparators are typically used to:

• Measure frequency

• Compare two voltage levels

• Amplify signals

• Control timers

The number of hardware interrupts on an Arduino Uno is:

• 1

• 2

• 4

• 6

Which Arduino timer is a 16-bit timer on the Arduino Uno?

• Timer0

• Timer1

• Timer2

• Timer3