Please answer the questions based on the figure below!

a. Which pin number is assigned to the input of the system?
b. Explain the function of the code on line 9! digitalWrite(inPin, HIGH);
c. What is the voltage value at pin no. 2 if the button is pressed? Explain!

Sketch 1 2 3 4 5 6 7 8 pinMode(inPin, INPUT); 9 digitalWrite(inPin, HIGH); pinMode(ledPin, OUTPUT); 10 11 Serial.begin(9600); 12 13 14 15 16 17 const int ledPin = 13; const int inPin = 2; const int debounceTime = 20; int count = 0; 2222 void setup() { CIRCUIT } void loop() { int duration = switchTime(); 18 19 20 { if (duration > debounceTime) {count = count + 1; digitalWrite(ledPin, HIGH);} else 21 if( count = 0) digitalWrite(ledPin, LOW); 23 else 24 { UNO digitalWrite(ledPin, HIGH); 25 26 count == 0; 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 } } Serial.println(count); delay(100); } long switchTime() { static unsigned long startTime = 0; static boolean state; if(digitalRead(inPin) != state) { state = state; startTime = millis(); } if( state == LOW) return millis() else return 0; } startTime;