1. What is Arduino?

2. How many types of Arduino do we have?

3. What language is a typical Arduino code based on?

4. What language is the Arduino IDE built on?

5. Arduino IDE consists of 2 functions. What are they?

6. Arduino Codes are referred to as ________ in the Arduino IDE.

7. What is the default bootloader of the Arduino UNO?

8. What does p refer to in ATmega328p?

9. What is the use of the Arduino.h header file?

10. What is the use of the Vin pin present on some Arduino Boards?

11. What is the correct execution process of an Arduino code?

12. What is the microcontroller used in Arduino UNO?

13. Which software is used to upload the Arduino Sketches to the board?

14. What is the operating voltage of Atmega328?

15. Is the Arduino code an Object-Oriented programming language or a Procedural programming language?

16. What is the difference between an IDE and a compiler?

17. How many times does the setup() function run on every startup of the Arduino System?

18. The code that you put inside void setup() will only run once; and that will be at the beginning of your program

19. In void loop(); your code will repeat over and over again.

20. Constants are like variables; but their value remains constant throughout the program's execution.

21. Pulse-Width Modulation (PWM) pins can provide digital as well as analog output ?

22. How many digital pins are available on the Arduino Uno Board ?

23. How many PWM pins are available on the Arduino Uno Board ?

24. How many Analog pins are available on the Arduino Uno Board ?

25. How many Ground pins are available on the Arduino Uno Board ?

26. Which 2 voltage pins are available on Arduino Board ?

27. What does GPIO stand for?

28. What does IDE stand for?

29. A program written with the IDE for Arduino is called ?

30. Will this program run without error ?

const int counter = 0;
int pin = 13;

void setup() {
Serial.begin(9600);
pinMode(pin; OUTPUT);
digitalWrite(pin; LOW);
}

void loop() {
counter = counter + 1;

digitalWrite(pin; HIGH);
Serial.print(“Blink #”);
Serial.println(counter);
delay(1000);
digitalWrite(pin; LOW);
delay(1000);
}

31. Will this program run without error ?

int counter = 0;
int pin = 13;

void setup() {
Serial.begin(9600);
pinMode(pin, OUTPUT);
digitalWrite(pin, LOW);
}

void loop() {
counter = counter + 1;

digitalWrite(pin, HIGH);
Serial.print(“Blink #”);
Serial.println(counter);
delay(1000);
digitalWrite(pin, LOW);
delay(1000);
}

32. Will this program run without error ?

int counter = 0;
int pin = 13

void setup() {
Serial.begin(9600);
pinMode(pin, OUTPUT);
digitalWrite(pin, LOW);
}

void loop() {
counter = counter + 1;

digitalWrite(pin, HIGH);
Serial.print(“Blink #”);
Serial.println(counter);
delay(1000);
digitalWrite(pin, LOW);
delay(1000);
}

33. Will this program run without error ?

int pin = 13

void setup() {
Serial.begin(9600);
pinMode(pin, OUTPUT);
digitalWrite(pin, LOW);
}

void loop() {
counter = counter + 1;

digitalWrite(pin, HIGH);
Serial.print(“Blink #”);
Serial.println(counter);
delay(1000);
digitalWrite(pin, LOW);
delay(1000);
}

34. what are the 2 braces { } in the funtion called ? For eg: setup () {}

35. It starts with a /* and continues until a */ What does this do?

36. Are the connections proper and will glow the LED ?

37. A Breadboard is simply a board for prototyping or building circuits on ?

39. Will this program run without error ?

int led = 13;
void setup() {
pinMode(led; INPUT);
}
void loop() {
digitalWrite(led; HIGH);
delay(1000);
digitalWrite(led; LOW);
delay(1000);
}

40. What is full form of LCD ?

41. We able to control whether a pixel will appear black or white due to the voltage supplied to it.

42. A _____is the smallest unit of a display

43. If the resolution of a screen is 1024*720p; it means that there are 1280 pixels in a Row and 720 pixels in a Column

44. A 16*2 LCD Display has total 16 characters and 2 columns

45. The display uses 5*8 dots to represent each characters

46. 16*2 LCD is know for…

47. LCD Screen requires potentiometer for ?

48. Which in build library is used for control LCD display ?

49. how do we make use of the LiquidCrystal.h library ?

50. How do we initialize the LCD Screen ?

51. Which function is used to set cursor on the LCD Screen ?

52. Which function is used to print characters on LCD Screen ?

53. VCC & VSS pin : These pins are the two pins used for the power supply

54. V0 pin : This pin is for controlling the contrast of the LCD.

55. R/W pin : Read/Write pin is connect to one the digital pins?

56. E : Enable pin. Enable's the LCD for any operation.

57. The last 2 pins on the LCD Screen are Anode and Cathode

58. D4 – D7 pin : Are used for 8-bit mode.

59. A typical 16×2 LCD needs 3v to operate.

60. Will this code run without error ?

#include <LiquidCrystal>
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
void setup() {
lcd.begin(16, 2);
}
void loop() {
lcd.setCursor(0, 0);
lcd.print("Hello,Welcome");
lcd.setCursor(0, 1);
lcd.print("Hello World");
}

61. Will this code run without error ?

#include <LiquidCrystal.h>
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
void setup() {
lcd.begin(16, 2);
}
void loop() {
lcd.setCursor(0, 0)
lcd.print("Hello, Welcome");
lcd.setCursor(0, 1);
lcd.print("Hello World");
}

62. Will this code run without error ?

#include <LiquidCrystal.h>
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
void setup() {
lcd.begin(16, 2);
}
void loop() {
lcd.setCursor(0, 0);
lcd.print("Welcome");
lcd.setCursor(0, 1);
lcd.print("Hello World");
}

63. What will this code print ?

#include <LiquidCrystal.h>
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
void setup() {
lcd.begin(16, 2);
}
void loop() {
lcd.setCursor(0, 0);
lcd.print("Welcome");
lcd.setCursor(0, 0);
lcd.print("Classes");
}

64. Will this code run without error ?

#include <LiquidCrystal.h>
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
void setup() {
lcd.begin(16, 0);
}
void loop() {
lcd.setCursor(0, 0);
lcd.print("Hello, Welcome");
lcd.setCursor(0, 1);
lcd.print("Classes");
}

66. Up to how many characters of 5x8 pixels are supported ?