标签：话题作文 话题 高考英语作文
字数：900字
提要：Computer(计算机) 英语作文网收集整理 作文网 Computer As we all know, the computer is a marvelous machine. It has all kinds of types. Nowadays most computers have a memory processor in which information can be stored and be taken out at any time. The oldest kind of computer is the abacus. It was used in China long agoi The first modern computer was very large and expensive, but now scientists alrea..