The computer can be used at every opportunity and available immediately, anywhere, anytime. From the observation, it is found that the finding of students. Currently, using a computer or mobile phone can be used to find out right away always preferred or when in doubt. But compared with the data from the text books. Be unable to find the information immediately. By may need from the library or from various sources. This causes the waste of time and that information may be outdated is not correct,
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