we can learn our lessons at home by using a computer instead of going to have entered our daily life. We could download information , read books and play computer it is important
Computers Nowadays, computer plays a more and more important role in our lives. We can't live without it. However, everything has two sides. So does computer. On the one hand, computer has brought a lo
这里有一段介绍电脑的文章：Personal Computer (PC), computer in the form of a desktop or laptop device designed for use by a single person. PCs function using a display monitor and a keyboard. Since their
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