^How did you become interested in international management exactly? if you are trying to relate yourself as a businessman, since you were youg, to international management, then the main question is, did you sell these drawings on an international scale?
Now I realize that I had already been...
^...This line is a bit cliched for my liking. The barter system has existed for over a 1000 years, even before educational institues existed. The principle of supply and demand is arguably the simplest thing in business studies.
My father, a business owner, after listening to my story, gave me ...
^What story? When did you tell your father a story?
i do not think your use of the word 'give' is correct.
Then I realized I am really interested ...
^Then? When??
Although I enjoyed watching the animation, I regarded them as imaginary, ...
^Them? What does 'them' refer to. Especially since nothing in your sentence is in the plural form.
CMU is advanced in many aspects.
^You do not say how.
With Wireless Andrew, one of the largest wireless networks available on a college ...
^CMU knows this. What does this mean to you?
I hope I can be one of chosen students who enjoy the ubiquitous life with its ...
^Do you know what 'ubiquitous' means? You have used it incorrectly over here.
blah blah is definitely interesting, but i doubt it will do you many favors with the CMU Admissions Committee.
You do not answer the question in enough detail.
^You do not say why you have chosen CMU. Nor do you say why you have chosen those majors, goals or work plans.
(You do not say why you want to study international management or mech engineering at CMU)