यदि "पिन2" को "1011" भेजा जाता है जहां 1 5V है और 0 0V है तो "पिन1" का आउटपुट क्या है?
What is the output of “pin1” if “pin2” is sent “1011” where 1 is 5V and 0 is 0V?
int pin1 = 12;
int pin2 = 11;
void setup() {
pinMode(pin1, OUTPUT);
pinMode(pin2, INPUT);
Serial.begin(9600);
}
void loop() {
if(digitalRead(pin2)==1) {
digitalWrite(pin1,LOW);
}
else if(digitalRead(pin2)==0) {
digitalWrite(pin1,HIGH);
}
}
A
1110
B
0100
C
1111
D
1011
Explanation
The code reads the value on pin2 and sets pin1 based on that:
- If pin2 is HIGH (5V), pin1 is set to LOW (0V).
- If pin2 is LOW (0V), pin1 is set to HIGH (5V).
For the sequence "1011" sent to pin2:
- pin2 = 1 (HIGH) → pin1 = LOW (0V)
- pin2 = 0 (LOW) → pin1 = HIGH (5V)
- pin2 = 1 (HIGH) → pin1 = LOW (0V)
- pin2 = 1 (HIGH) → pin1 = LOW (0V)
Thus, the output of pin1 will be 0100.
The correct answer is:
(B) 0100.
Correct Answer: B) 0100
