Which command is used in arduino to set 9th pin as output

MCQ Answer

Which command is used in Arduino to set 9th pin as output?

Arduino में 9वें पिन को आउटपुट के रूप में सेट करने के लिए किस कमांड का उपयोग किया जाता है?

Topic : Building IoT Applications

A. int sensorPin=9

B. int sensorValue=9

C. pinMode(9, OUTPUT);

D. digitalWrite(9, HIGH);

Correct Answer is :

C. pinMode(9, OUTPUT);

Explanation

pinMode() function is used to set the pin and mode. first parameter is Pin number and second is mode i.e. INPUT/OUTPUT