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Question 1

What does Arduino primarily serve as?

Answer 1

A microcontroller platform for building digital devices.

Question 2

True or False: Arduino can only be programmed in C++.

Answer 2

False.

Question 3

Fill in the blank: The main programming environment for Arduino is called the __________.

Answer 3

Arduino IDE.

Question 4

What is the function of the setup() method in Arduino programming?

Answer 4

It initializes variables and settings before the main loop runs.

Question 5

What type of board is an Arduino Uno?

Answer 5

A microcontroller board based on the ATmega328P.

Question 6

Which of the following is NOT an Arduino board? (A) Arduino Mega (B) Arduino Nano (C) Arduino Raspberry

Answer 6

Arduino Raspberry.

Question 7

What is the purpose of the loop() method in an Arduino sketch?

Answer 7

It contains the code that runs repeatedly after setup().

Question 8

True or False: Arduino boards can only be powered via USB.

Answer 8

False.

Question 9

What does PWM stand for in Arduino?

Answer 9

Pulse Width Modulation.

Question 10

Fill in the blank: Digital pins on an Arduino can be set to either HIGH or __________.

Answer 10

LOW.

Question 11

What is the typical voltage range for an Arduino board?

Answer 11

5V to 12V.

Question 12

What is the purpose of a resistor in an Arduino circuit?

Answer 12

To limit the current flowing through the circuit.

Question 13

Which Arduino function is used to read the state of a digital pin?

Answer 13

digitalRead().

Question 14

True or False: You can connect multiple sensors to the same Arduino board.

Answer 14

True.

Question 15

What communication protocol is often used for Arduino to communicate with other devices?

Answer 15

I2C.

Question 16

Fill in the blank: The Arduino board can be connected to a computer using a __________ cable.

Answer 16

USB.

Question 17

What does the term ‘sketch’ refer to in Arduino programming?

Answer 17

A program written for Arduino.

Question 18

Which library would you include to use an LCD display with Arduino?

Answer 18

LiquidCrystal.

Question 19

True or False: Arduino sketches must end with a semicolon.

Answer 19

True.

Question 20

What is the primary function of the analogRead() function?

Answer 20

To read the value from an analog pin.

Question 21

What is the maximum number of digital pins on an Arduino Uno?

Answer 21

14.

Question 22

Fill in the blank: The Arduino community provides a platform for sharing __________ and projects.

Answer 22

code.

Question 23

True or False: You can use Arduino to control motors.

Answer 23

True.

Question 24

What is a common use for the Arduino Ethernet Shield?

Answer 24

To connect Arduino to the internet.

Question 25

What does the term 'shield' refer to in the context of Arduino?

Answer 25

A board that can be plugged on top of an Arduino to add functionality.

Question 26

Which function is used to delay the execution of code in Arduino?

Answer 26

delay().

Question 27

What is the purpose of the 'void' keyword in Arduino functions?

Answer 27

It indicates that the function does not return a value.