This set of Arduino Interview Questions and Answers for freshers focuses on “Serial and Stream Communications”. 1. How many RX-TX pairs of pins are present in the Arduino Mega? a) 1 b) 2 c) 3 d) 4 2. What is the full form of UART? a) Universal Asynchronous Receiver/Transmitter b) Universal Anti-Rectifying Transmitter c) Universal … Read more
This set of Arduino Multiple Choice Questions & Answers (MCQs) focuses on “Other Libraries”. 1. What library is to be required for manipulating audio on the Arduino Due? a) AudioMan.h b) PulseAudio.h c) Audio.h d) Sound.h 2. Which of the following Arduino Boards does the USBHost Library work on? a) Arduino Nano b) Arduino Due … Read more
This set of Arduino Multiple Choice Questions & Answers (MCQs) focuses on “Standard Libraries”. 1. What is the name for the library to manipulate data in and out of the EEPROM of the Arduino Board? a) EEPROM.h b) eeprom.h c) Eeprom.h d) eepROM.h 2. What is the objective of the code given below if it … Read more
This set of Arduino Multiple Choice Questions & Answers (MCQs) focuses on “Advanced Input Output”. 1. What is the maximum number of arguments that the pulseIn() function accepts? a) 1 b) 2 c) 3 d) 4 2. What is the purpose of the following code? int pin1=10;void setup() { pinMode(pin1,OUTPUT); Serial.begin(9600);}void loop() { Serial.println(pulseInLong(pin1,HIGH));} a) … Read more
This set of Arduino Multiple Choice Questions & Answers (MCQs) focuses on “Analog Input Output”. 1. What type of signal does the analogWrite() function output? a) Pulse Width Modulated Signal b) Pulse Code Modulated Signal c) Pulse Amplitude Modulated Signal d) Frequency Modulated Signal 2. What is the resolution of analog readings on the Arduino … Read more
This set of Arduino Multiple Choice Questions & Answers (MCQs) focuses on “Digital Input Output”. 1. How many voltage levels are present when a pin uses digitalWrite()? a) 1 b) 2 c) 3 d) 4 2. Can the digitalRead() function identify analog voltages? a) Yes, it can b) No, it cannot c) Yes, it can … Read more
This set of Arduino Multiple Choice Questions & Answers (MCQs) focuses on “The loop() Function”. 1. How many times does the loop() function run on every startup of the Arduino System? a) 1 b) Depends upon the setup() function c) Infinitely till the power is supplied to the Arduino d) 3 2. Can the loop() … Read more
This set of Arduino Multiple Choice Questions & Answers (MCQs) focuses on “The setup() Function”. 1. How many times does the setup() function run on every startup of the Arduino System? a) 1 b) 2 c) 3 d) 4 2. Can the setup() function change the value of constant variables? a) Yes, it can change … Read more
This set of Arduino Multiple Choice Questions & Answers (MCQs) focuses on “Setting Pin Mode”. 1. What type of signal does the analogWrite() method generate when a pin is set to OUTPUT mode? a) Digital Signal b) Pulse Code Modulated Signal c) Pulse amplitude Modulated Signal d) Pulse Width Modulated Signal 2. What is the … Read more
This set of Arduino Multiple Choice Questions & Answers (MCQs) focuses on “Uploading”. 1. Which software is used to upload the Arduino Sketches to the board? a) avrdude b) avrgcc c) g++ d) cpython for windows 2. What is the name for the characters ‘-p’ given in the command below? avrdude -p atmega32u4 -c stk500 … Read more
