In your summary, you should state how you plan on maximizing the resources here at Poly to achieve the highest level of competence within that field of interest. In particular, you should pay special attention to course sequences, prerequisites, etc. If you are unsure about which area appeals to you, that is fine. Your task, then, is to delineate a strategy that will help you determine which area is right for you. If you choose this option, talk about what you feel your strengths are and how they can be applied to computer science in general.
People do change their minds and evolve during the course of a career.
However, the sooner these ideas are considered, the sooner you can act on them. The sooner you act on them, the sooner you will realize your goals. Write your responses on a separate sheet of paper. In a similar manner, complete the Assessment of personal Strengths and Weaknesses in Section 4.5. Write down a specific, concrete action plan.