Arduino Basics Course Final Exam V1

What is a sound sensor?

• A sensor used to emit sounds through a microphone

• A sensor used to detect various sounds through a microphone

• A sensor used to measure the frequency of sound and display it on a small screen

• A sensor used to blast music

What does "int" mean in an Arduino code?

• A variable being stored as a decimal is being defined

• A pin is being defined as a variable

• A constant being stored as an integer is being defined

• A variable being stored as an integer is being defined

What is pin 2?

• Green

• Red

• GND

• Blue

What is an else if statement?

• A line of code that is executed if none of the previous statements are true

• A secondary statement that checks whether it is true after a previous statement before executing code

• A statement that checks whether it is true then proceeds to execute the code

• A line of code that is executed regardless of the validity of a statement

True or False: When the sensor is tilted beyond a certain angle, the conductive clement moves due to gravity, making contact with the electrical terminals and completing the circuit

• True

• False

What are output devices?

• devices that are used to collect data that goes into a computer or device to be processed

• devices that are used to display the information and data within a computer or device

• devices that you plug into a computer or microcontroller

• devices that you unplug from a computer or microcontroller

What does Serial.println() do?

• It prints text on the same line in the Serial Monitor

• It starts a new line then prints text in the Serial Monitor

• It prints text vertically in the Serial Monitor

• It prints text on a piece of paper

Identify the photoresistor

• 
• 
• 
• 

What is a digital device?

• A device that only has two states: on or off/high or low

• A device that has many states: usually anywhere from 0 to 225

• A device that connects to the internet or to a computer

• A clock

Which of the following lines is used to add the Servo library?

• #include <Servo.h>​

• Servo myservo;

• myservo.attach(9);

• myservo.write(0);