i am in 11th (sci) .. i wanted to know the courses and the entrance exam that i have to give in order to become a computer hacker..

Dear Riddhi, there are 5-15 days courses are available known as Certified Ethical Computer Hacker course. These courses can be done by any one without giving any exam. But please try to understand that only very good programmers can become successful hackers and to learn programming, you must pursue