No matter what field you are trying to enter into, it pays to know what you are getting yourself involved in. In the world of computers, the various jobs can be very different in nature depending upon the exact job and the company you are working for. With this in mind, it is important to carefully read the computer science job description before you take on a position. Most computer science jobs will have you serving as something of a problem solver for the company. You will be the point man for any computer problems that happen and you will be expected to make things work again. Other computer science job descriptions might have you acting as more of a programmer, so be sure to understand what they're looking for.