Perhaps you can visit my company's website and allow us to revise your entire application (see my homepage). Here is a revision of your introductory paragraph:
I have always aspired to choose a career in a field that really stimulates me and holds a natural appeal to me. Today as I stand at the pathway of learning, I have with out hesitation chosen the field that excites me the most and draw the best of my abilities. The very quest to resolve the basic underlying principle of programming has been a source of tremendous inspiration and has promoted me to choose computers as my undergraduate and postgraduate.
I have always wanted a career that is both stimulating and rewarding. And, as of today, I stand before you at the crossroads of my educational career and make one of the most important decisions in my life. I reflect on the basic underlying principle of programming and realize how this has been a source of tremendous inspiration. There is only one field of study that allows for my potential as an aspiring programmer to grow. I choose computer programming for my undergraduate and postgraduate study.