Real estate is considered real property that includes land and anything permanently attached to it or built on it, whether natural or man-made. There are five main categories of real estate which include residential, commercial, industrial, raw land, and special use.Computers are used all around us, be it through at our workplace or when it comes to communication. It is, therefore, essential for people to learn how to use one. Have you just finished your basic computer class and think you are well capable of operating one? Take up the quiz below and get to learn something more about necessary computer skills. All the best!