用英语写一篇以电脑功能为内容,叙述人们用电脑来干什么的作文

Computers are more and more useful today, students can wirte their homework on the computer, they can also use websites to get some information for their lessons. Teenagers can download a lot of songs from the internet, sometimes they play computer games. Office workers always send emails or photos on the computer. Computers are really useful!