Since 1946, computers have changed our lives and our ideas. The computer is 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.

     Everyone, either at home or at work, uses some kinds of computers. The lives of all of us have been changed by