const int LED - 13; // LED connected to pin 13 const int BUTTON = 7; // pushbutton connected to pin 7 int val = 0, state = 0; void setup() pinMode(LED, OUTPUT); pinMode(BUTTON, INPUT); void loop() val...

const int LED - 13; // LED connected to pin 13 const int BUTTON = 7; // pushbutton connected to pin 7 int val = 0, state = 0; void setup() pinMode(LED, OUTPUT); pinMode(BUTTON, INPUT); void loop() val - digitalRead(BUTTON); if (val == HIGH) state = 1 - state; if (state = 1) digitalWrite(LED, HIGH); else digitalWrite(LED, LOW); marks Write a brief short answer to each part. Consider a simple Arduino code given in the figure 4 ?What this code is doing (1) ? What will happen if we only remove line number from this code (?)