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PLEASE READ: All of the tests below self mark, tell you your mark as a percentage and show you what the correct answer is. They also offer light hearted feedback about your progress. If you are easily offended with any of the feedback then feel free to use a different website (or stop being so sensitive). Ultimately at the very least, we want you to achieve your target grade and at the very most, we want you to be the next Steve Jobs, Bill Gates or Sophie Wilson. Enough talk, lets see what you got...Goodluck!