You need to be a little more specific with your inquiry. Also, perhaps tell us a little about your background, and where you work.
Usually Newbies are directed to the search feature of this site for initial exploration, after which they are engaged in lively reparte'.
There is a tremendous amount of information relative to tools, methodologies, techniques, war stories, types of testing + some long-running general purpose blow-off-steam / chuckle-some / what-has-this-to-do-with threads that can be fodder for your sole.
Listen to the threads for awhile, see what's interesting to you, get some of the terminology down, make some search inquiries, then ask some specific questions.
Again, welcome. [img]/images/graemlins/smile.gif[/img]
You have finished your academic education (maybe) and you are looking at testing as a possible career. I would be very interested if you would tell us why you chose testing rather than other IT disciplines or a career in the business side such as business.
In the meantime Rich's suggestion of browsing through the forums is good. Also I would suggest that you look around at your local colleges and see if they have classes in testing and also buy and read some books, a couple of good ones are:
Effective Software Testing by Elfriede Dustin
Testing Computer Software by Cem Kaner