void setup() {
  // put your setup code here, to run once:
  //Q.4 write a program to interface buzzer with Arduino
  // board to buzz on/off with the delay of 1 sec.
  pinMode(8, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  tone(8,1000,1000);
  tone(8,0,000);

}