What is any currency for?It's for trading, silly. Whether for other currencies or for services or items or whatnot.If you have bitcoins and someone else will trade something for them, then that's what you can use it for.
Can it be converted to real money?
The price is determined by people selling and buying it on a market. Somewhat like a stock market.
Okay. Now what is bitcoin mining?
What gpu do you have?
Uhh. IDK. There's a little intel sticker here if that means anything.