作业帮COMPUTERS HAVE CHANGED OUR LIVES的英语作文80个单词左右
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COMPUTERS HAVE CHANGED OUR LIVES的英语作文80个单词左右
COMPUTERS HAVE CHANGED OUR LIVES的英语作文80个单词左右
COMPUTERS HAVE CHANGED OUR LIVES的英语作文80个单词左右
Since 1946,computers have changed our lives and our ideas.
The first computer was built at Harvard University in 1946.It was as large as a room and quite difficult and slow to operate.But since then,computers have become smaller,easier to use and to operate.Some computers can be made smaller than a book.
Why is the computer useful to us?First,it can store a lot of information.Second,a computer can work very quickly--thousands of times faster than human and it won’t be tired.Third,modern computers can be built into other kinds of machines,like radios,cars and planes.They can do a lot of work for us.
Soon,everyone,either at home or at work,will use some kinds of computers.The lives of all of us will be changed by this invention.