1) How many digital pins does the Arduino UNO development board have? a) 13 b) 14 c) 15 d) 12 2) Which microcontroller is used in Arduino UNO development board? a) AtMega328 b) Atmel378 c) ATsega328 d) Atmega2560 3) What is the name of the subprogram that runs only once when the Arduino development board is energized? a) begin() b) setup() c) loop() d) start() 4) The Arduino development board can provide the energy it needs to work from a PC's USB port. How many volts is the power supplied from the USB port? a) 3 b) 4 c) 5 d) 6 5) Which command is used to create delay in Arduino program? a) pinMode() b) delay() c) for() d) digitalWrite() 6) Which of the statements about setup(), one of the standard arduino subroutines, is wrong? a) Arduino is not required for the program to run b) When the Arduino board is reset, it works again. c) Arduino works continuously when powered. d) Once the Arduino is energized, it works once. 7) Which of the following is the intended use of the HC-HR04 sensor? a) Measuring sound intensity b) Measuring distance c) Measuring temperature d) Measuring the water level 8) Which of the pin association naming feature of the HC-HR04 ultrasonic sensor is given correctly? a) Vcc-Trig-Echo-Gnd b) Vcc-N/C-Data-Gnd c) Vcc-Latch-Data-Gnd d) Vcc-In-Out-Gnd 9) In which of the following is the Arduino C command, which reads the logic value on the digital pin 13, given correctly? a) pinMode(13, INPUT) b) digitalRead(13) c) pinMode(13, OUTPUT) d) digitalWrite(13, 1) 10) One led is constantly on. According to this. Which one is correct in coding? a) digitalRead(led ,LOW) b) digitalWrite(led ,HIGH) c) digitalRead(led = 1) d) digitalWrite(led = 1) 11) Open source Arduino development boards are developed by which country? a) Italy b) Belarus c) Turkey d) ABD 12) Which of the following is not an Arduino model?  a) Arduino mega b) Arduino Leonardo c) Arduino uno d) Arduino rafael

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