I'm PCB student , I don't know about computer languages

Question

But I want to know about Coding , when I'm start my lesson "C" but I'm unable to understand everything ..Please help me
https://code.sololearn.com/czyPvApTJu0g/?ref=app , I done my code but I don't know about it

Answer 1

===off topic===
Calviղ it means physics chemistry biology

Answer 2

Line 7 is wrong. I think you might want it like this:
#include <stdio.h>

int main() {
printf("Hello, World!\n");
printf("im saranya devi and im a good girl\n");
return 0;
}

Answer 3

What's PCB? printed circuit board?

Answer 4

I'm a beginner to computer language can you help me ?