To improve your work efficiency, you have to learn to operate computers. Correct instructions enable computers to solve extremely complicated questions. And field of study can enhance its breadth and depth with the help of the computer. In the foreseeable future, computers seem unable to replace human brains completely. In recent years, cyber crimes are getting more and more rampant, which should be curbed by enacting laws as soon as possible. With the rapid development of hardware and software, computers have become a necessity in the household. There should be no limit to the potential of how computers can improve the quality of human lives. What is the most magic about computers is that you have only to tap the keyboard and the world is at your fingertips. The fun/pleasure of learning the computer is beyond description. It is never too late to learn, and learning computers is especially so.