I realized something that computer is offer to convenience and importance for people through lecture. For example, if someone want to drawing so he need to a penclil and a ruler. But, after introduction of CAD only need to computer and mouse. Also, drawer only can drawing, he can't other but after he can almost everything by using computer.
In military, before military personnel calculate location to using cannon but after it is automatic so more efficient.
As a result, computer is tender to people more efficient, comfortable and so on. But, disadvantage also happened at the same time. Factory automatic is fire many employer. And crime prevention camera bring about private problem.
In the future, we will make more efficiency computer technology and bridge a gap this problem.
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