I have no computer knowledge before;but now, I'm trying my best,is computer too hard to learn

Answer 1

You mean you are learning computer languages(aka programming) or how to work with a computer?
The answer for both is: No, it isn't too hard.

Answer 2

Passion is everything.

Answer 3

I know a lot of people working on IT without academic degrees... just go and read as much as you can on the field you choose... practice will help ...

Answer 4

It gets easier once you adapted to to the way a computer "thinks", i.e. not like a human does.