There is no (36) that students should learn something about how computers work, just as we (37) them at least to understand that the internal-combustion engine has something to do with bunting fuel, (38) gases and pistons (活塞) being (39) . For people should have some basic idea of how the things that they use do what they do. Further, students might be helped by a course that (40) the computer’s (41) on society. But that is not what is meant by computer literacy. For computer literacy is not a form of literacy(读写能力); it is a trade skill that should not be taught as a liberal art. learning how to use a computer and learning how to program one are two distinct (42) . A case might be made that the (43) citizens of tomorrow should free themselves from their fear of computers. But this is quite different from saying that all ought to know how to program one. leave that to people who have chosen programming as a career. (44) . Learning how to use a computer is not that difficult, and it gets easier all the time as programs become more "user-friendly". (45) . What does the phrase "learning to use a computer" mean It sounds like "learning to drive a car"; that is, it sounds as if there is some set of definite skills that, once acquired, enable one to use a computer. In fact, "learning to use a computer" is much more like "learning to play a ," but (46) .There is no such a thing as teaching someone how to use a computer. One can only teach people to use this or that program and generally that is easily accomplished.