HOW MANY GPIO GENERAL PURPOSE INPUTOUTPUT PINS ARE AVAILABLE ON AN ARDUINO UNO

O Level Online Exam

NIELIT O Level Exam

How many GPIO (General Purpose Input/Output) pins are available on an Arduino Uno?

Arduino Uno पर कितने GPIO (सामान्य प्रयोजन इनपुट/आउटपुट) पिन उपलब्ध हैं?

A. 14

B. 16

C. 20

D. 32

Correct Answer is :

A. 14