Computers & IT (Non-Engg)

As you have completed 12th commerce with computer and you are interested in computer, it is better for you to go for BCA followed by MCA.

Hi,
It depends from institute to institute but on an average it's a 12-week course.

Yes, you are eligible. Get into the competitive exams conducted by state board and as per the ranking you will be allotted the college. The entrance in Karnataka is KCET.

Hi,
Ethical hacking is an anonymous course. You may pursue CEH certification for that. This has nothing do to with 12th but if you are good in science then go for it.

Hi Aayush,
Lambton is a reputed college and has good contacts with several companies for its co-op options. Chances are good but getting a job will completely depend on your own skills and academic performance. Where you do your internship and how well you perform will be very important. Check with Lambton for career assistance before enrolling.

This is a very specific demand and these papers won't be available over the internet, I would advise you to get in touch with the current students through social media or in person for the same.

College change or university change after first year is completely dependent on college and university norms, some university allow it and some won't plus you need to have good scores in first year to apply for the same. For further details contact the college authorities.
Firstly, find out the BCA colleges which allow lateral entry and then proceed further.