I was only nine years old when I learnt how to use a computer.My mother ismy first teacher.I know how to type,how to copy a file,and how to visit a website on the internet.One day,mom was not at home. I turned on the computer andbegan to learn how to chat on net.The first one I met there was a boy calledtom. He greeted me politely.When he knew that I was only a 9-year-old girl,andalmost knew nothing about chatting on net,he started showing me how to use thechatting tools,how to download,an.